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Perfect Number
Is 644 a perfect number?
Is 644 a perfect number? [SOLVED]
Answer
644 is not perfect because:
1 + 2 + 4 + 7 + 14 + 23 + 28 + 46 + 92 + 161 + 322
≠
644
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644 is not perfect because:
644 is not perfect because:
