3-digit number wanted
Source: 2001 Estonia National Olympiad Final Round grade 9 p2
March 12, 2020
number theoryDigitsremaindersum of digits
Problem Statement
Dividing a three-digit number by the number obtained from it by swapping its first and last digit we get as the quotient and the sum of digits of the original number as the remainder. Find all three-digit numbers with this property.