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76680016 = 247684643
BaseRepresentation
bin1001001001000…
…00101101010000
312100021202012121
410210200231100
5124112230031
611335304024
71620524620
oct444405520
9170252177
1076680016
113a313916
122181b014
1312b6a1ba
14a280880
156aea011
hex4920b50

76680016 has 20 divisors (see below), whose sum is σ = 169791712. Its totient is φ = 32862816.

The previous prime is 76680011. The next prime is 76680041. The reversal of 76680016 is 61008667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76680011) 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, 342210 + ... + 342433.

Almost surely, 276680016 is an apocalyptic number.

It is an amenable number.

76680016 is an abundant number, since it is smaller than the sum of its proper divisors (93111696).

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

76680016 is a wasteful number, since it uses less digits than its factorization.

76680016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684658 (or 684652 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 76680016 is about 8756.7126251808. The cubic root of 76680016 is about 424.8419546142.

The spelling of 76680016 in words is "seventy-six million, six hundred eighty thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 684643 1369286 2738572 4792501 5477144 9585002 10954288 19170004 38340008 76680016