538140 divided by 26 
The aim is to understand the frequency of 26 in 538140.

Moving on to step 1:
26 can be fit into 5 0 times, resulting in a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Fetch the next digit (3) from the dividend, attach it to 5 and continue: 53 / 26

Advancing to step 2:
If we divide 53 by 26, we get 2 and a remainder of 1.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtract 52 from 53 to get 1.
Fetch the next digit (8) from the dividend, attach it to 1 and continue: 18 / 26

Going ahead to step 3:
18 divided by 26 is 0 with a remainder of 18.
The next digit of our result is 0. 
Result so far: 20.0
The remainder is 18 after subtracting 0 from 18.
Include the next digit (1) from the dividend after 18, then repeat: 181 / 26

On to step 4:
The number 26 fits into 181 6 times, leaving a remainder of 25.
Write down 6 as next digit of the result. 
Result so far: 206.0
Deduct 156 from 181 and we're left with 25.
Append the next digit (4) from the dividend to 25 and continue with: 254 / 26

Advancing to step 5:
26 goes into 254 9 times with a remainder of 20.
Use 9 as the next digit of our solution. 
Result so far: 2069.0
The remainder is 20 after subtracting 234 from 254.
Bring next digit (0) of the dividend behind the 20 and repeat the process: 200 / 26

Advancing to step 6:
The number 26 fits into 200 7 times, leaving a remainder of 18.
The next digit of our result is 7. 
Result so far: 20697.0
Subtract 182 from 200 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 7:
The number 26 fits into 180 6 times, leaving a remainder of 24.
Use 6 as the next digit of our solution. 
Result so far: 20697.6
Subtracting 156 from 180 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 8:
26 goes into 240 9 times with a remainder of 6.
Use 9 as the next digit of our solution. 
Result so far: 20697.69
If we take 234 away from 240, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 9:
60 divided by 26 is 2 with a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 20697.692
Deduct 52 from 60 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 10:
26 can be fit into 80 3 times, resulting in a remainder of 2.
Put 3 as the next digit of the answer. 
Result so far: 20697.6923
If we subtract 78 from 80, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 11:
26 goes into 20 0 times with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 20697.6923
If we take 0 away from 20, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 12:
26 goes into 200 7 times with a remainder of 18.
The number 7 becomes the next digit in our result. 
Result so far: 20697.692307
If we take 182 away from 200, we end up with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Moving on to step 13:
If we divide 180 by 26, we get 6 and a remainder of 24.
The next digit of our result is 6. 
Result so far: 20697.6923076
Subtracting 156 from 180 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 14:
26 can be fit into 240 9 times, resulting in a remainder of 6.
The number 9 becomes the next digit in our result. 
Result so far: 20697.69230769
Subtracting 234 from 240 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

The final outcome is 20697.69230769, with a leftover of 6e-09.