572684 divided by 90 
The aim is to understand the frequency of 90 in 572684.

Advancing to step 1:
When dividing 5 by 90, we get 0 with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Fetch the next digit (7) from the dividend, attach it to 5 and continue: 57 / 90

Advancing to step 2:
90 can be fit into 57 0 times, resulting in a remainder of 57.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 57 leaves us with 57.
Take the next digit (2) from the dividend and append it to 57, then repeat: 572 / 90

Step 3:
When dividing 572 by 90, we get 6 with a remainder of 32.
The next digit of our result is 6. 
Result so far: 6.0
The remainder is 32 after subtracting 540 from 572.
Append the next digit (6) from the dividend to 32 and continue with: 326 / 90

Advancing to step 4:
90 can be fit into 326 3 times, resulting in a remainder of 56.
The number 3 becomes the next digit in our result. 
Result so far: 63.0
Subtract 270 from 326 to get 56.
Fetch the next digit (8) from the dividend, attach it to 56 and continue: 568 / 90

Advancing to step 5:
90 goes into 568 6 times with a remainder of 28.
Write down 6 as next digit of the result. 
Result so far: 636.0
Deduct 540 from 568 and we're left with 28.
Include the next digit (4) from the dividend after 28, then repeat: 284 / 90

Step 6:
If we divide 284 by 90, we get 3 and a remainder of 14.
Write down 3 as next digit of the result. 
Result so far: 6363.0
Subtract 270 from 284 to get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Moving on to step 7:
140 divided by 90 is 1 with a remainder of 50.
Record the quotient 1 as the next digit in the result. 
Result so far: 6363.1
The remainder is 50 after subtracting 90 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 8:
When dividing 500 by 90, we get 5 with a remainder of 50.
Write down 5 as next digit of the result. 
Result so far: 6363.15
If we take 450 away from 500, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 9:
If we divide 500 by 90, we get 5 and a remainder of 50.
Record the quotient 5 as the next digit in the result. 
Result so far: 6363.155
The remainder is 50 after subtracting 450 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

The quotient of the division is 6363.155, and the remainder is 0.005.