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107891204 = 22181149021
BaseRepresentation
bin1100110111001…
…00101000000100
321112000102220112
412123210220010
5210110004304
614412252152
72450026421
oct633445004
9245012815
10107891204
11559a1293
1230171058
1319477565
1410486d48
159712b6e
hex66e4a04

107891204 has 12 divisors (see below), whose sum is σ = 189854028. Its totient is φ = 53647200.

The previous prime is 107891141. The next prime is 107891209. The reversal of 107891204 is 402198701.

It can be written as a sum of positive squares in 2 ways, for example, as 58216900 + 49674304 = 7630^2 + 7048^2 .

It is not an unprimeable number, because it can be changed into a prime (107891209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73787 + ... + 75234.

It is an arithmetic number, because the mean of its divisors is an integer number (15821169).

Almost surely, 2107891204 is an apocalyptic number.

It is an amenable number.

107891204 is a deficient number, since it is larger than the sum of its proper divisors (81962824).

107891204 is a wasteful number, since it uses less digits than its factorization.

107891204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149206 (or 149204 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 107891204 is about 10387.0690765008. The cubic root of 107891204 is about 476.0603517856.

The spelling of 107891204 in words is "one hundred seven million, eight hundred ninety-one thousand, two hundred four".

Divisors: 1 2 4 181 362 724 149021 298042 596084 26972801 53945602 107891204