Is 2709 a deficient number and what is its deficiency?

Is 2709 a deficient number?

Here we will explain and calculate if 2709 is a deficient number and its deficiency if applicable.

2709 is a deficient number if the sum of its proper divisors is less than 2709.

The sum of its proper divisors is calculated as follows: 1 + 3 + 7 + 9 + 21 + 43 + 63 + 129 + 301 + 387 + 903 = 1867.

1867 is less than 2709. Therefore, 2709 is a deficient number.

The deficiency of 2709 is 2709 minus the sum of its proper divisors. Thus, the deficiency of 2709 is 2709 - 1867 = 842

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