Is 1865 a deficient number and what is its deficiency?

Is 1865 a deficient number?

Here we will explain and calculate if 1865 is a deficient number and its deficiency if applicable.

1865 is a deficient number if the sum of its proper divisors is less than 1865.

The sum of its proper divisors is calculated as follows: 1 + 5 + 373 = 379.

379 is less than 1865. Therefore, 1865 is a deficient number.

The deficiency of 1865 is 1865 minus the sum of its proper divisors. Thus, the deficiency of 1865 is 1865 - 379 = 1486

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