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108131444 = 2282932609
BaseRepresentation
bin1100111000111…
…11010001110100
321112110122110022
412130133101310
5210140201234
614421344312
72452050011
oct634372164
9245418408
10108131444
1156045833
1230268098
131952ca05
141050a708
15975de2e
hex671f474

108131444 has 12 divisors (see below), whose sum is σ = 189464100. Its totient is φ = 53998848.

The previous prime is 108131437. The next prime is 108131449. The reversal of 108131444 is 444131801.

It can be written as a sum of positive squares in 2 ways, for example, as 67043344 + 41088100 = 8188^2 + 6410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108131449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12989 + ... + 19620.

It is an arithmetic number, because the mean of its divisors is an integer number (15788675).

Almost surely, 2108131444 is an apocalyptic number.

It is an amenable number.

108131444 is a deficient number, since it is larger than the sum of its proper divisors (81332656).

108131444 is a wasteful number, since it uses less digits than its factorization.

108131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33442 (or 33440 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 108131444 is about 10398.6270247567. The cubic root of 108131444 is about 476.4134357310.

The spelling of 108131444 in words is "one hundred eight million, one hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 829 1658 3316 32609 65218 130436 27032861 54065722 108131444