We look at the division of 52619586 by 609 
The aim is to understand the frequency of 609 in 52619586.

Advancing to step 1:
5 divided by 609 is 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Fetch the next digit (2) from the dividend, attach it to 5 and continue: 52 / 609

Advancing to step 2:
52 divided by 609 is 0 with a remainder of 52.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 52 leaves us with 52.
Take the next digit (6) from the dividend and append it to 52, then repeat: 526 / 609

Let's proceed to step 3:
526 divided by 609 is 0 with a remainder of 526.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 526, we get 526.
Bring next digit (1) of the dividend behind the 526 and repeat the process: 5261 / 609

Moving on to step 4:
When dividing 5261 by 609, we get 8 with a remainder of 389.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
Deduct 4872 from 5261 and we're left with 389.
Take the next digit (9) from the dividend and append it to 389, then repeat: 3899 / 609

On to step 5:
609 can be fit into 3899 6 times, resulting in a remainder of 245.
The number 6 becomes the next digit in our result. 
Result so far: 86.0
Subtract 3654 from 3899 to get 245.
Include the next digit (5) from the dividend after 245, then repeat: 2455 / 609

On to step 6:
The number 609 fits into 2455 4 times, leaving a remainder of 19.
Use 4 as the next digit of our solution. 
Result so far: 864.0
The remainder is 19 after subtracting 2436 from 2455.
Take the next digit (8) from the dividend and append it to 19, then repeat: 198 / 609

Moving on to step 7:
When dividing 198 by 609, we get 0 with a remainder of 198.
Write down 0 as next digit of the result. 
Result so far: 8640.0
Subtracting 0 from 198 leaves us with 198.
Fetch the next digit (6) from the dividend, attach it to 198 and continue: 1986 / 609

Going ahead to step 8:
609 can be fit into 1986 3 times, resulting in a remainder of 159.
Put 3 as the next digit of the answer. 
Result so far: 86403.0
Deduct 1827 from 1986 and we're left with 159.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

Moving on to step 9:
When dividing 1590 by 609, we get 2 with a remainder of 372.
The next digit of our result is 2. 
Result so far: 86403.2
The remainder is 372 after subtracting 1218 from 1590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3720, and continue the process.

Step 10:
609 goes into 3720 6 times with a remainder of 66.
Record the quotient 6 as the next digit in the result. 
Result so far: 86403.26
If we take 3654 away from 3720, we end up with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Going ahead to step 11:
The number 609 fits into 660 1 times, leaving a remainder of 51.
Use 1 as the next digit of our solution. 
Result so far: 86403.261
Subtracting 609 from 660 leaves us with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Let's proceed to step 12:
609 goes into 510 0 times with a remainder of 510.
Use 0 as the next digit of our solution. 
Result so far: 86403.261
If we subtract 0 from 510, we get 510.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5100, and continue the process.

Moving on to step 13:
The number 609 fits into 5100 8 times, leaving a remainder of 228.
The next digit of our result is 8. 
Result so far: 86403.26108
If we take 4872 away from 5100, we end up with 228.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2280, and continue the process.

Let's proceed to step 14:
609 can be fit into 2280 3 times, resulting in a remainder of 453.
The next digit of our result is 3. 
Result so far: 86403.261083
The remainder is 453 after subtracting 1827 from 2280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4530, and continue the process.

Step 15:
609 can be fit into 4530 7 times, resulting in a remainder of 267.
The next digit of our result is 7. 
Result so far: 86403.2610837
Subtract 4263 from 4530 to get 267.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2670, and continue the process.

Step 16:
If we divide 2670 by 609, we get 4 and a remainder of 234.
Put 4 as the next digit of the answer. 
Result so far: 86403.26108374
The remainder is 234 after subtracting 2436 from 2670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2340, and continue the process.

In conclusion, the division gives 86403.26108374 with a balance of 2.34e-07.