sum of squares of digits divides May Olympiad (Olimpiada de Mayo) 2016 L2 P3
Source:
September 25, 2021
Digitsnumber theorydivides
Problem Statement
We say that a positive integer is quad-divi if it is divisible by the sum of the squares of its digits, and also none of its digits is equal to zero.
a) Find a quad-divi number such that the sum of its digits is .
b) Find a quad-divi number such that the sum of its digits is .