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BaseRepresentation
bin1001000100110…
…00100000011010
312022020101221110
410202120200122
5123441402023
611315321150
71613012301
oct442304032
9168211843
1076122138
1139a72764
12215b01b6
1312a032b1
14a177438
156a39a93
hex489881a

76122138 has 16 divisors (see below), whose sum is σ = 152487360. Its totient is φ = 25333536.

The previous prime is 76122131. The next prime is 76122139. The reversal of 76122138 is 83122167.

It is not an unprimeable number, because it can be changed into a prime (76122131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5923 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (9530460).

Almost surely, 276122138 is an apocalyptic number.

76122138 is an abundant number, since it is smaller than the sum of its proper divisors (76365222).

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

76122138 is a wasteful number, since it uses less digits than its factorization.

76122138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20261.

The product of its digits is 4032, while the sum is 30.

The square root of 76122138 is about 8724.8001696314. The cubic root of 76122138 is about 423.8091470767.

The spelling of 76122138 in words is "seventy-six million, one hundred twenty-two thousand, one hundred thirty-eight".