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74560136 = 2371331431
BaseRepresentation
bin1000111000110…
…11001010001000
312012022001021112
410130123022020
5123041411021
611222025452
71563515330
oct434331210
9165261245
1074560136
11390a6152
1220b78288
13125a7331
149c8c0c0
15682bd5b
hex471b288

74560136 has 16 divisors (see below), whose sum is σ = 159771840. Its totient is φ = 31954320.

The previous prime is 74560127. The next prime is 74560163. The reversal of 74560136 is 63106547.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 665660 + ... + 665771.

It is an arithmetic number, because the mean of its divisors is an integer number (9985740).

Almost surely, 274560136 is an apocalyptic number.

It is an amenable number.

74560136 is an abundant number, since it is smaller than the sum of its proper divisors (85211704).

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

74560136 is a wasteful number, since it uses less digits than its factorization.

74560136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331444 (or 1331440 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 74560136 is about 8634.8211330635. The cubic root of 74560136 is about 420.8902808360.

The spelling of 74560136 in words is "seventy-four million, five hundred sixty thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 1331431 2662862 5325724 9320017 10651448 18640034 37280068 74560136