Is 1509 a deficient number and what is its deficiency?

Is 1509 a deficient number?

Here we will explain and calculate if 1509 is a deficient number and its deficiency if applicable.

1509 is a deficient number if the sum of its proper divisors is less than 1509.

The sum of its proper divisors is calculated as follows: 1 + 3 + 503 = 507.

507 is less than 1509. Therefore, 1509 is a deficient number.

The deficiency of 1509 is 1509 minus the sum of its proper divisors. Thus, the deficiency of 1509 is 1509 - 507 = 1002

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