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74593057 = 7116115881
BaseRepresentation
bin1000111001000…
…11001100100001
312012100201102211
410130203030201
5123043434212
611222442121
71564013320
oct434431441
9165321384
1074593057
1139118960
1220b93341
13125b9306
149c9a0b7
1568369a7
hex4723321

74593057 has 16 divisors (see below), whose sum is σ = 94529664. Its totient is φ = 57168000.

The previous prime is 74593019. The next prime is 74593061. The reversal of 74593057 is 75039547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74593057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74593007) 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 in 15 ways as a sum of consecutive naturals, for example, 3244 + ... + 12637.

It is an arithmetic number, because the mean of its divisors is an integer number (5908104).

Almost surely, 274593057 is an apocalyptic number.

74593057 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

74593057 is a deficient number, since it is larger than the sum of its proper divisors (19936607).

74593057 is a wasteful number, since it uses less digits than its factorization.

74593057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15960.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 74593057 is about 8636.7272157919. The cubic root of 74593057 is about 420.9522178211.

The spelling of 74593057 in words is "seventy-four million, five hundred ninety-three thousand, fifty-seven".

Divisors: 1 7 11 61 77 427 671 4697 15881 111167 174691 968741 1222837 6781187 10656151 74593057