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76531296 = 253797201
BaseRepresentation
bin1001000111111…
…00011001100000
312100000012012110
410203330121200
5124043000141
611332155320
71616335212
oct443743140
9170005173
1076531296
113a222106
1221768b40
1312b175ba
14a2425b2
156abae16
hex48fc660

76531296 has 24 divisors (see below), whose sum is σ = 200894904. Its totient is φ = 25510400.

The previous prime is 76531291. The next prime is 76531313. The reversal of 76531296 is 69213567.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76531291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398505 + ... + 398696.

It is an arithmetic number, because the mean of its divisors is an integer number (8370621).

Almost surely, 276531296 is an apocalyptic number.

It is an amenable number.

76531296 is an abundant number, since it is smaller than the sum of its proper divisors (124363608).

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

76531296 is a wasteful number, since it uses less digits than its factorization.

76531296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797214 (or 797206 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 76531296 is about 8748.2167325690. The cubic root of 76531296 is about 424.5671181788.

The spelling of 76531296 in words is "seventy-six million, five hundred thirty-one thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 797201 1594402 2391603 3188804 4783206 6377608 9566412 12755216 19132824 25510432 38265648 76531296