Is 1898 a deficient number and what is its deficiency?

Is 1898 a deficient number?

Here we will explain and calculate if 1898 is a deficient number and its deficiency if applicable.

1898 is a deficient number if the sum of its proper divisors is less than 1898.

The sum of its proper divisors is calculated as follows: 1 + 2 + 13 + 26 + 73 + 146 + 949 = 1210.

1210 is less than 1898. Therefore, 1898 is a deficient number.

The deficiency of 1898 is 1898 minus the sum of its proper divisors. Thus, the deficiency of 1898 is 1898 - 1210 = 688

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