Is 1818 a deficient number and what is its deficiency?

Is 1818 a deficient number?

Here we will explain and calculate if 1818 is a deficient number and its deficiency if applicable.

1818 is a deficient number if the sum of its proper divisors is less than 1818.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 9 + 18 + 101 + 202 + 303 + 606 + 909 = 2160.

2160 is not less than 1818. Therefore, 1818 is not a deficient number.

The deficiency of 1818 is 1818 minus the sum of its proper divisors. Thus, the deficiency of 1818 is 1818 - 2160 = No Deficiency

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