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76234129 = 411859369
BaseRepresentation
bin1001000101100…
…11110110010001
312022110002120021
410202303312101
5124003443004
611321543441
71613656636
oct442636621
9168402507
1076234129
113a039914
1221644b81
1312a4226a
14a1a618d
156a5cd54
hex48b3d91

76234129 has 4 divisors (see below), whose sum is σ = 78093540. Its totient is φ = 74374720.

The previous prime is 76234063. The next prime is 76234153. The reversal of 76234129 is 92143267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92143267 = 234006229.

It can be written as a sum of positive squares in 2 ways, for example, as 44289025 + 31945104 = 6655^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 76234129 - 211 = 76232081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76234094 and 76234103.

It is not an unprimeable number, because it can be changed into a prime (76234159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929644 + ... + 929725.

It is an arithmetic number, because the mean of its divisors is an integer number (19523385).

Almost surely, 276234129 is an apocalyptic number.

It is an amenable number.

76234129 is a deficient number, since it is larger than the sum of its proper divisors (1859411).

76234129 is a wasteful number, since it uses less digits than its factorization.

76234129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859410.

The product of its digits is 18144, while the sum is 34.

The square root of 76234129 is about 8731.2157801763. The cubic root of 76234129 is about 424.0168814478.

The spelling of 76234129 in words is "seventy-six million, two hundred thirty-four thousand, one hundred twenty-nine".

Divisors: 1 41 1859369 76234129