571635 divided by 4 
The aim is to understand the frequency of 4 in 571635.

Moving on to step 1:
When dividing 5 by 4, we get 1 with a remainder of 1.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 4 from 5 to get 1.
Bring next digit (7) of the dividend behind the 1 and repeat the process: 17 / 4

Moving on to step 2:
4 can be fit into 17 4 times, resulting in a remainder of 1.
Write down 4 as next digit of the result. 
Result so far: 14.0
If we subtract 16 from 17, we get 1.
Fetch the next digit (1) from the dividend, attach it to 1 and continue: 11 / 4

Step 3:
If we divide 11 by 4, we get 2 and a remainder of 3.
Use 2 as the next digit of our solution. 
Result so far: 142.0
Deduct 8 from 11 and we're left with 3.
Fetch the next digit (6) from the dividend, attach it to 3 and continue: 36 / 4

Let's proceed to step 4:
4 goes into 36 9 times with a remainder of 0.
The number 9 becomes the next digit in our result. 
Result so far: 1429.0
If we take 36 away from 36, we end up with 0.
Fetch the next digit (3) from the dividend, attach it to 0 and continue: 3 / 4

Moving on to step 5:
4 goes into 3 0 times with a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 14290.0
Deduct 0 from 3 and we're left with 3.
Append the next digit (5) from the dividend to 3 and continue with: 35 / 4

Going ahead to step 6:
4 goes into 35 8 times with a remainder of 3.
Put 8 as the next digit of the answer. 
Result so far: 142908.0
Subtracting 32 from 35 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 7:
30 divided by 4 is 7 with a remainder of 2.
Put 7 as the next digit of the answer. 
Result so far: 142908.7
The remainder is 2 after subtracting 28 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 8:
20 divided by 4 is 5 with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 142908.75
Deduct 20 from 20 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 9:
4 goes into 0 0 times with a remainder of 0.
The next digit of our result is 0. 
Result so far: 142908.75
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 10:
4 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 142908.75
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 142908.75 with a remainder of 0.0.