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Omni-MATH / Let s(n) denote the sum of digits of a positive integer n. Using six different digits, we formed three 2-digits p,q,r such that p⋅q⋅s(r)=p⋅s(q)⋅r=s(p)⋅q⋅r. Find all such numbers … · Discussion

Discussing Let s(n) denote the sum of digits of a positive integer n. Using six different digits, we formed three 2-digits p,q,r such that p⋅q⋅s(r)=p⋅s(q)⋅r=s(p)⋅q⋅r. Find all such numbers … · Omni-MATH

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