Is 1827 a deficient number and what is its deficiency?

Is 1827 a deficient number?

Here we will explain and calculate if 1827 is a deficient number and its deficiency if applicable.

1827 is a deficient number if the sum of its proper divisors is less than 1827.

The sum of its proper divisors is calculated as follows: 1 + 3 + 7 + 9 + 21 + 29 + 63 + 87 + 203 + 261 + 609 = 1293.

1293 is less than 1827. Therefore, 1827 is a deficient number.

The deficiency of 1827 is 1827 minus the sum of its proper divisors. Thus, the deficiency of 1827 is 1827 - 1293 = 534

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