Search a number
-
+
76468864 = 272832111
BaseRepresentation
bin1001000111011…
…01001010000000
312022220000120011
410203231022000
5124034000424
611330554304
71615655203
oct443551200
9168800504
1076468864
113a18a20a
1221738994
1312ac5064
14a22793a
156aa7694
hex48ed280

76468864 has 32 divisors (see below), whose sum is σ = 152951040. Its totient is φ = 38081280.

The previous prime is 76468837. The next prime is 76468867. The reversal of 76468864 is 46886467.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×764688642 = 11694974322900992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76468867) 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, 35169 + ... + 37279.

It is an arithmetic number, because the mean of its divisors is an integer number (4779720).

Almost surely, 276468864 is an apocalyptic number.

It is an amenable number.

76468864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

76468864 is a wasteful number, since it uses less digits than its factorization.

76468864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2396 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 76468864 is about 8744.6477344716. The cubic root of 76468864 is about 424.4516369454.

The spelling of 76468864 in words is "seventy-six million, four hundred sixty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 283 566 1132 2111 2264 4222 4528 8444 9056 16888 18112 33776 36224 67552 135104 270208 597413 1194826 2389652 4779304 9558608 19117216 38234432 76468864