Is 711 a deficient number and what is its deficiency?

Is 711 a deficient number?

Here we will explain and calculate if 711 is a deficient number and its deficiency if applicable.

711 is a deficient number if the sum of its proper divisors is less than 711.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 79 + 237 = 329.

329 is less than 711. Therefore, 711 is a deficient number.

The deficiency of 711 is 711 minus the sum of its proper divisors. Thus, the deficiency of 711 is 711 - 329 = 382

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