Is 1573 a deficient number and what is its deficiency?

Is 1573 a deficient number?

Here we will explain and calculate if 1573 is a deficient number and its deficiency if applicable.

1573 is a deficient number if the sum of its proper divisors is less than 1573.

The sum of its proper divisors is calculated as follows: 1 + 11 + 13 + 121 + 143 = 289.

289 is less than 1573. Therefore, 1573 is a deficient number.

The deficiency of 1573 is 1573 minus the sum of its proper divisors. Thus, the deficiency of 1573 is 1573 - 289 = 1284

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