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Find-all-three-digit-numbers-n-such-that-1-n-is-divisible-by-the-sum-of-its-digits-2-n-is-a-perfect-square-




Question Number 216912 by ArshadS last updated on 26/Feb/25
Find all three-digit numbers n such that  1. n is divisible by the sum  of  its  digits.  2. n is a perfect square.
$$\mathrm{Find}\:\mathrm{all}\:\mathrm{three}-\mathrm{digit}\:\mathrm{numbers}\:{n}\:\mathrm{such}\:\mathrm{that} \\ $$$$\mathrm{1}.\:{n}\:\mathrm{is}\:\mathrm{divisible}\:\mathrm{by}\:\mathrm{the}\:\mathrm{sum}\:\:\mathrm{of}\:\:\mathrm{its}\:\:\mathrm{digits}. \\ $$$$\mathrm{2}.\:{n}\:\mathrm{is}\:\mathrm{a}\:\mathrm{perfect}\:\mathrm{square}. \\ $$

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