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76930256 = 2413577641
BaseRepresentation
bin1001001010111…
…01110011010000
312100202110110202
410211131303100
5124143232011
611344514332
71622616314
oct445356320
9170673422
1076930256
113a474927
122191b9a8
1312c27080
14a307b44
156b4923b
hex495dcd0

76930256 has 40 divisors (see below), whose sum is σ = 161046984. Its totient is φ = 35389440.

The previous prime is 76930223. The next prime is 76930261. The reversal of 76930256 is 65203967.

It can be written as a sum of positive squares in 4 ways, for example, as 38241856 + 38688400 = 6184^2 + 6220^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119696 + ... + 120336.

Almost surely, 276930256 is an apocalyptic number.

It is an amenable number.

76930256 is an abundant number, since it is smaller than the sum of its proper divisors (84116728).

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

76930256 is a wasteful number, since it uses less digits than its factorization.

76930256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 76930256 is about 8770.9894538758. The cubic root of 76930256 is about 425.3036003713.

The spelling of 76930256 in words is "seventy-six million, nine hundred thirty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 577 641 1154 1282 2308 2564 4616 5128 7501 8333 9232 10256 15002 16666 30004 33332 60008 66664 120016 133328 369857 739714 1479428 2958856 4808141 5917712 9616282 19232564 38465128 76930256