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76131306 = 23310871297
BaseRepresentation
bin1001000100110…
…10101111101010
312022020212112000
410202122233222
5123442200211
611315431430
71613051106
oct442325752
9168225460
1076131306
1139a79639
12215b5576
1312a07514
14a17a906
156a3c656
hex489abea

76131306 has 32 divisors (see below), whose sum is σ = 169466880. Its totient is φ = 25334208.

The previous prime is 76131283. The next prime is 76131313. The reversal of 76131306 is 60313167.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 76131306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58050 + ... + 59346.

It is an arithmetic number, because the mean of its divisors is an integer number (5295840).

Almost surely, 276131306 is an apocalyptic number.

76131306 is an abundant number, since it is smaller than the sum of its proper divisors (93335574).

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

76131306 is a wasteful number, since it uses less digits than its factorization.

76131306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 76131306 is about 8725.3255526656. The cubic root of 76131306 is about 423.8261606393.

The spelling of 76131306 in words is "seventy-six million, one hundred thirty-one thousand, three hundred six".

Divisors: 1 2 3 6 9 18 27 54 1087 1297 2174 2594 3261 3891 6522 7782 9783 11673 19566 23346 29349 35019 58698 70038 1409839 2819678 4229517 8459034 12688551 25377102 38065653 76131306