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76042831 is a prime number
BaseRepresentation
bin1001000100001…
…01001001001111
312022002101011011
410202011021033
5123431332311
611313510051
71612232134
oct442051117
9168071134
1076042831
1139a19117
1221572327
13129a6177
14a15658b
156a21321
hex488524f

76042831 has 2 divisors, whose sum is σ = 76042832. Its totient is φ = 76042830.

The previous prime is 76042829. The next prime is 76042847. The reversal of 76042831 is 13824067.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76042831 - 21 = 76042829 is a prime.

It is a super-2 number, since 2×760428312 = 11565024292989122, which contains 22 as substring.

Together with 76042829, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 76042793 and 76042802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76042801) 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 as a sum of consecutive naturals, namely, 38021415 + 38021416.

It is an arithmetic number, because the mean of its divisors is an integer number (38021416).

Almost surely, 276042831 is an apocalyptic number.

76042831 is a deficient number, since it is larger than the sum of its proper divisors (1).

76042831 is an equidigital number, since it uses as much as digits as its factorization.

76042831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 76042831 is about 8720.2540673996. The cubic root of 76042831 is about 423.6619156575.

Adding to 76042831 its reverse (13824067), we get a palindrome (89866898).

The spelling of 76042831 in words is "seventy-six million, forty-two thousand, eight hundred thirty-one".