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76996691 = 131709829
BaseRepresentation
bin1001001011011…
…10000001010011
312100212211121022
410211232001103
5124202343231
611350150055
71623314102
oct445560123
9170784538
1076996691
113a50a832
122195232b
1312c4b395
14a324039
156b5dc7b
hex496e053

76996691 has 8 divisors (see below), whose sum is σ = 77787600. Its totient is φ = 76209120.

The previous prime is 76996627. The next prime is 76996727. The reversal of 76996691 is 19669967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76996691 - 26 = 76996627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76996291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92465 + ... + 93293.

It is an arithmetic number, because the mean of its divisors is an integer number (9723450).

Almost surely, 276996691 is an apocalyptic number.

76996691 is a deficient number, since it is larger than the sum of its proper divisors (790909).

76996691 is a wasteful number, since it uses less digits than its factorization.

76996691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its digits is 1102248, while the sum is 53.

The square root of 76996691 is about 8774.7758375927. The cubic root of 76996691 is about 425.4259922477.

The spelling of 76996691 in words is "seventy-six million, nine hundred ninety-six thousand, six hundred ninety-one".

Divisors: 1 131 709 829 92879 108599 587761 76996691