Is 1233 a deficient number and what is its deficiency?

Is 1233 a deficient number?

Here we will explain and calculate if 1233 is a deficient number and its deficiency if applicable.

1233 is a deficient number if the sum of its proper divisors is less than 1233.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 137 + 411 = 561.

561 is less than 1233. Therefore, 1233 is a deficient number.

The deficiency of 1233 is 1233 minus the sum of its proper divisors. Thus, the deficiency of 1233 is 1233 - 561 = 672

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