520685 ÷ 1 
We want to divide 520685 by 1.

Going ahead to step 1:
When dividing 5 by 1, we get 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
If we subtract 5 from 5, we get 0.
Grab the next digit (2) from the dividend, add it to 0, then carry on: 2 / 1

Moving on to step 2:
If we divide 2 by 1, we get 2 and a remainder of 0.
The number 2 becomes the next digit in our result. 
Result so far: 52.0
The remainder is 0 after subtracting 2 from 2.
Fetch the next digit (0) from the dividend, attach it to 0 and continue: 0 / 1

Advancing to step 3:
If we divide 0 by 1, we get 0 and a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 520.0
Subtract 0 from 0 to get 0.
Append the next digit (6) from the dividend to 0 and continue with: 6 / 1

On to step 4:
1 goes into 6 6 times with a remainder of 0.
Put 6 as the next digit of the answer. 
Result so far: 5206.0
Deduct 6 from 6 and we're left with 0.
Grab the next digit (8) from the dividend, add it to 0, then carry on: 8 / 1

Advancing to step 5:
8 divided by 1 is 8 with a remainder of 0.
The next digit of our result is 8. 
Result so far: 52068.0
Subtracting 8 from 8 leaves us with 0.
Include the next digit (5) from the dividend after 0, then repeat: 5 / 1

Advancing to step 6:
5 divided by 1 is 5 with a remainder of 0.
The next digit of our result is 5. 
Result so far: 520685.0
If we subtract 5 from 5, we get 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 7:
1 can be fit into 0 0 times, resulting in a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 520685.0
Subtracting 0 from 0 leaves us 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 8:
0 divided by 1 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 520685.0
Deduct 0 from 0 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.

The quotient of the division is 520685.0, and the remainder is 0.0.