Is 1863 a deficient number and what is its deficiency?

Is 1863 a deficient number?

Here we will explain and calculate if 1863 is a deficient number and its deficiency if applicable.

1863 is a deficient number if the sum of its proper divisors is less than 1863.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 23 + 27 + 69 + 81 + 207 + 621 = 1041.

1041 is less than 1863. Therefore, 1863 is a deficient number.

The deficiency of 1863 is 1863 minus the sum of its proper divisors. Thus, the deficiency of 1863 is 1863 - 1041 = 822

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