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76513968 = 2432531347
BaseRepresentation
bin1001000111110…
…00001010110000
312022222022102200
410203320022300
5124041421333
611331543200
71616233536
oct443701260
9168868380
1076513968
113a210093
122175ab00
1312b0c74b
14a23a156
156ab5c13
hex48f82b0

76513968 has 30 divisors (see below), whose sum is σ = 214133244. Its totient is φ = 25504608.

The previous prime is 76513963. The next prime is 76513981. The reversal of 76513968 is 86931567.

It is a happy number.

76513968 is a `hidden beast` number, since 76 + 513 + 9 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (76513961) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 265530 + ... + 265817.

Almost surely, 276513968 is an apocalyptic number.

It is an amenable number.

76513968 is an abundant number, since it is smaller than the sum of its proper divisors (137619276).

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

76513968 is a wasteful number, since it uses less digits than its factorization.

76513968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531361 (or 531352 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 76513968 is about 8747.2263032346. The cubic root of 76513968 is about 424.5350726639.

The spelling of 76513968 in words is "seventy-six million, five hundred thirteen thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 531347 1062694 1594041 2125388 3188082 4250776 4782123 6376164 8501552 9564246 12752328 19128492 25504656 38256984 76513968