Is 1653 a deficient number and what is its deficiency?

Is 1653 a deficient number?

Here we will explain and calculate if 1653 is a deficient number and its deficiency if applicable.

1653 is a deficient number if the sum of its proper divisors is less than 1653.

The sum of its proper divisors is calculated as follows: 1 + 3 + 19 + 29 + 57 + 87 + 551 = 747.

747 is less than 1653. Therefore, 1653 is a deficient number.

The deficiency of 1653 is 1653 minus the sum of its proper divisors. Thus, the deficiency of 1653 is 1653 - 747 = 906

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