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Is 2200 a perfect number? [SOLVED]

Answer


2200 is not perfect because:

1 + 2 + 4 + 5 + 8 + 10 + 11 + 20 + 22 + 25 + 40 + 44 + 50 + 55 + 88 + 100 + 110 + 200 + 220 + 275 + 440 + 550 + 1100 2200
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