Is 1053 a deficient number and what is its deficiency?

Is 1053 a deficient number?

Here we will explain and calculate if 1053 is a deficient number and its deficiency if applicable.

1053 is a deficient number if the sum of its proper divisors is less than 1053.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 13 + 27 + 39 + 81 + 117 + 351 = 641.

641 is less than 1053. Therefore, 1053 is a deficient number.

The deficiency of 1053 is 1053 minus the sum of its proper divisors. Thus, the deficiency of 1053 is 1053 - 641 = 412

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