Is 1565 a deficient number and what is its deficiency?

Is 1565 a deficient number?

Here we will explain and calculate if 1565 is a deficient number and its deficiency if applicable.

1565 is a deficient number if the sum of its proper divisors is less than 1565.

The sum of its proper divisors is calculated as follows: 1 + 5 + 313 = 319.

319 is less than 1565. Therefore, 1565 is a deficient number.

The deficiency of 1565 is 1565 minus the sum of its proper divisors. Thus, the deficiency of 1565 is 1565 - 319 = 1246

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