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76387485 = 3523221413
BaseRepresentation
bin1001000110110…
…01010010011101
312022201212221010
410203121102131
5124023344420
611325125433
71615166016
oct443312235
9168655833
1076387485
113a134059
12216b9879
1312a96cc5
14a20600d
156a8d4e0
hex48d949d

76387485 has 16 divisors (see below), whose sum is σ = 127534464. Its totient is φ = 38968512.

The previous prime is 76387483. The next prime is 76387513. The reversal of 76387485 is 58478367.

It is not a de Polignac number, because 76387485 - 21 = 76387483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76387481) 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 15 ways as a sum of consecutive naturals, for example, 110362 + ... + 111051.

It is an arithmetic number, because the mean of its divisors is an integer number (7970904).

Almost surely, 276387485 is an apocalyptic number.

It is an amenable number.

76387485 is a deficient number, since it is larger than the sum of its proper divisors (51146979).

76387485 is a wasteful number, since it uses less digits than its factorization.

76387485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221444.

The product of its digits is 1128960, while the sum is 48.

The square root of 76387485 is about 8739.9934210502. The cubic root of 76387485 is about 424.3010148127.

The spelling of 76387485 in words is "seventy-six million, three hundred eighty-seven thousand, four hundred eighty-five".

Divisors: 1 3 5 15 23 69 115 345 221413 664239 1107065 3321195 5092499 15277497 25462495 76387485