Is 2079 a deficient number and what is its deficiency?

Is 2079 a deficient number?

Here we will explain and calculate if 2079 is a deficient number and its deficiency if applicable.

2079 is a deficient number if the sum of its proper divisors is less than 2079.

The sum of its proper divisors is calculated as follows: 1 + 3 + 7 + 9 + 11 + 21 + 27 + 33 + 63 + 77 + 99 + 189 + 231 + 297 + 693 = 1761.

1761 is less than 2079. Therefore, 2079 is a deficient number.

The deficiency of 2079 is 2079 minus the sum of its proper divisors. Thus, the deficiency of 2079 is 2079 - 1761 = 318

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