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75056464 = 247670147
BaseRepresentation
bin1000111100101…
…00010101010000
312020020021010001
410132110111100
5123203301324
611240415344
71600653340
oct436242520
9166207101
1075056464
113940503a
1221177554
131271c212
149d7ad20
1568c8e44
hex4794550

75056464 has 20 divisors (see below), whose sum is σ = 166196704. Its totient is φ = 32167008.

The previous prime is 75056417. The next prime is 75056477. The reversal of 75056464 is 46465057.

It is a happy number.

It is a congruent number.

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, 334962 + ... + 335185.

Almost surely, 275056464 is an apocalyptic number.

It is an amenable number.

75056464 is an abundant number, since it is smaller than the sum of its proper divisors (91140240).

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

75056464 is a wasteful number, since it uses less digits than its factorization.

75056464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670162 (or 670156 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 75056464 is about 8663.5133750690. The cubic root of 75056464 is about 421.8221362860.

The spelling of 75056464 in words is "seventy-five million, fifty-six thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 670147 1340294 2680588 4691029 5361176 9382058 10722352 18764116 37528232 75056464