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75499434 = 23210094157
BaseRepresentation
bin1001000000000…
…00011110101010
312021001202202100
410200000132222
5123311440214
611254114230
71604506653
oct440003652
9167052670
1075499434
113968792a
122134b976
1312845a2a
14a05452a
156965309
hex48007aa

75499434 has 24 divisors (see below), whose sum is σ = 163783620. Its totient is φ = 25135488.

The previous prime is 75499433. The next prime is 75499469. The reversal of 75499434 is 43499457.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74390625 + 1108809 = 8625^2 + 1053^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75499434.

It is not an unprimeable number, because it can be changed into a prime (75499433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16084 + ... + 20240.

Almost surely, 275499434 is an apocalyptic number.

75499434 is an abundant number, since it is smaller than the sum of its proper divisors (88284186).

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

75499434 is a wasteful number, since it uses less digits than its factorization.

75499434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174 (or 5171 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 75499434 is about 8689.0410287902. The cubic root of 75499434 is about 422.6503490214.

The spelling of 75499434 in words is "seventy-five million, four hundred ninety-nine thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 1009 2018 3027 4157 6054 8314 9081 12471 18162 24942 37413 74826 4194413 8388826 12583239 25166478 37749717 75499434