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76197138 = 2314298887
BaseRepresentation
bin1001000101010…
…10110100010010
312022101012211020
410202222310102
5124001302023
611321100310
71613444043
oct442526422
9168335736
1076197138
113a014046
1221627696
1312a2b484
14a1968ca
156a51de3
hex48aad12

76197138 has 16 divisors (see below), whose sum is σ = 152518080. Its totient is φ = 25378416.

The previous prime is 76197131. The next prime is 76197139. The reversal of 76197138 is 83179167.

It is a self number, because there is not a number n which added to its sum of digits gives 76197138.

It is not an unprimeable number, because it can be changed into a prime (76197131) 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 7 ways as a sum of consecutive naturals, for example, 4131 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (9532380).

Almost surely, 276197138 is an apocalyptic number.

76197138 is an abundant number, since it is smaller than the sum of its proper divisors (76320942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76197138 is a wasteful number, since it uses less digits than its factorization.

76197138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321.

The product of its digits is 63504, while the sum is 42.

The square root of 76197138 is about 8729.0972041787. The cubic root of 76197138 is about 423.9482886086.

The spelling of 76197138 in words is "seventy-six million, one hundred ninety-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 1429 2858 4287 8574 8887 17774 26661 53322 12699523 25399046 38098569 76197138