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76679525 = 5213218149
BaseRepresentation
bin1001001001000…
…00100101100101
312100021201112102
410210200211211
5124112221100
611335301445
71620523316
oct444404545
9170251472
1076679525
113a31350a
122181a885
1312b69c00
14a28060d
156ae9cd5
hex4920965

76679525 has 18 divisors (see below), whose sum is σ = 102964950. Its totient is φ = 56621760.

The previous prime is 76679453. The next prime is 76679569. The reversal of 76679525 is 52597667.

It can be written as a sum of positive squares in 9 ways, for example, as 56761156 + 19918369 = 7534^2 + 4463^2 .

It is not a de Polignac number, because 76679525 - 224 = 59902309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76679525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4850 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (5720275).

Almost surely, 276679525 is an apocalyptic number.

It is an amenable number.

76679525 is a deficient number, since it is larger than the sum of its proper divisors (26285425).

76679525 is a wasteful number, since it uses less digits than its factorization.

76679525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185 (or 18167 counting only the distinct ones).

The product of its digits is 793800, while the sum is 47.

The square root of 76679525 is about 8756.6845895008. The cubic root of 76679525 is about 424.8410478249.

The spelling of 76679525 in words is "seventy-six million, six hundred seventy-nine thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 4225 18149 90745 235937 453725 1179685 3067181 5898425 15335905 76679525