Is 1813 a deficient number and what is its deficiency?

Is 1813 a deficient number?

Here we will explain and calculate if 1813 is a deficient number and its deficiency if applicable.

1813 is a deficient number if the sum of its proper divisors is less than 1813.

The sum of its proper divisors is calculated as follows: 1 + 7 + 37 + 49 + 259 = 353.

353 is less than 1813. Therefore, 1813 is a deficient number.

The deficiency of 1813 is 1813 minus the sum of its proper divisors. Thus, the deficiency of 1813 is 1813 - 353 = 1460

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