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76530912 = 2532812837
BaseRepresentation
bin1001000111111…
…00010011100000
312100000011200020
410203330103200
5124042442122
611332153440
71616334123
oct443742340
9170004606
1076530912
113a221897
1221768880
1312b17383
14a2423ba
156abac5c
hex48fc4e0

76530912 has 48 divisors (see below), whose sum is σ = 201679632. Its totient is φ = 25410560.

The previous prime is 76530901. The next prime is 76530919. The reversal of 76530912 is 21903567.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76530919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25558 + ... + 28394.

It is an arithmetic number, because the mean of its divisors is an integer number (4201659).

Almost surely, 276530912 is an apocalyptic number.

It is an amenable number.

76530912 is an abundant number, since it is smaller than the sum of its proper divisors (125148720).

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

76530912 is a wasteful number, since it uses less digits than its factorization.

76530912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 76530912 is about 8748.1947852114. The cubic root of 76530912 is about 424.5664080812.

The spelling of 76530912 in words is "seventy-six million, five hundred thirty thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 281 562 843 1124 1686 2248 2837 3372 4496 5674 6744 8511 8992 11348 13488 17022 22696 26976 34044 45392 68088 90784 136176 272352 797197 1594394 2391591 3188788 4783182 6377576 9566364 12755152 19132728 25510304 38265456 76530912