Is 1677 a deficient number and what is its deficiency?

Is 1677 a deficient number?

Here we will explain and calculate if 1677 is a deficient number and its deficiency if applicable.

1677 is a deficient number if the sum of its proper divisors is less than 1677.

The sum of its proper divisors is calculated as follows: 1 + 3 + 13 + 39 + 43 + 129 + 559 = 787.

787 is less than 1677. Therefore, 1677 is a deficient number.

The deficiency of 1677 is 1677 minus the sum of its proper divisors. Thus, the deficiency of 1677 is 1677 - 787 = 890

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