Is 1953 a deficient number and what is its deficiency?

Is 1953 a deficient number?

Here we will explain and calculate if 1953 is a deficient number and its deficiency if applicable.

1953 is a deficient number if the sum of its proper divisors is less than 1953.

The sum of its proper divisors is calculated as follows: 1 + 3 + 7 + 9 + 21 + 31 + 63 + 93 + 217 + 279 + 651 = 1375.

1375 is less than 1953. Therefore, 1953 is a deficient number.

The deficiency of 1953 is 1953 minus the sum of its proper divisors. Thus, the deficiency of 1953 is 1953 - 1375 = 578

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