Digit 1- could be anything 1-9
Digit 2- 0/2/4/6/8
Digit 3- 0/3/6/9
Digit 4- 0/4/8
Digit 5 to 9- 0 & respective number,
123456789- is an example of N where all digits are different and divisible by its place
A 9-digit number has a property that the first 'n' digits are divisible by 'n'. There is no '0' in the number and all the digits in the number are distinct. What is the number?
Find a four digit number, with four different digits, that equal to the number formed by its digits in descending order minus the number formed by its digits in ascending order.