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76864704 = 263757191
BaseRepresentation
bin1001001010011…
…01110011000000
312100122010112220
410211031303000
5124134132304
611343251040
71622224230
oct445156300
9170563486
1076864704
113a42a654
12218a9a80
1312c03297
14a2cbcc0
156b34ad9
hex494dcc0

76864704 has 56 divisors (see below), whose sum is σ = 232428288. Its totient is φ = 21960960.

The previous prime is 76864699. The next prime is 76864751. The reversal of 76864704 is 40746867.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

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 7 ways as a sum of consecutive naturals, for example, 27252 + ... + 29939.

Almost surely, 276864704 is an apocalyptic number.

It is an amenable number.

76864704 is an abundant number, since it is smaller than the sum of its proper divisors (155563584).

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

76864704 is a wasteful number, since it uses less digits than its factorization.

76864704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57213 (or 57203 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 76864704 is about 8767.2517928938. The cubic root of 76864704 is about 425.1827661444.

The spelling of 76864704 in words is "seventy-six million, eight hundred sixty-four thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 57191 114382 171573 228764 343146 400337 457528 686292 800674 915056 1201011 1372584 1601348 1830112 2402022 2745168 3202696 3660224 4804044 5490336 6405392 9608088 10980672 12810784 19216176 25621568 38432352 76864704