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75431364 = 2236285947
BaseRepresentation
bin1000111111011…
…11110111000100
312020221022101020
410133233313010
5123302300424
611252431140
71604104341
oct437576704
9166838336
1075431364
1139640778
12213184b0
1312820a58
14a0377c8
156950079
hex47efdc4

75431364 has 12 divisors (see below), whose sum is σ = 176006544. Its totient is φ = 25143784.

The previous prime is 75431357. The next prime is 75431413. The reversal of 75431364 is 46313457.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3142962 + ... + 3142985.

It is an arithmetic number, because the mean of its divisors is an integer number (14667212).

Almost surely, 275431364 is an apocalyptic number.

It is an amenable number.

75431364 is an abundant number, since it is smaller than the sum of its proper divisors (100575180).

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

75431364 is a wasteful number, since it uses less digits than its factorization.

75431364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285954 (or 6285952 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 75431364 is about 8685.1231424776. The cubic root of 75431364 is about 422.5232908510.

The spelling of 75431364 in words is "seventy-five million, four hundred thirty-one thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 6285947 12571894 18857841 25143788 37715682 75431364