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80976883 = 136228991
BaseRepresentation
bin1001101001110…
…01101111110011
312122101001101211
410310321233303
5131212230013
612011340551
72002202131
oct464715763
9178331354
1080976883
1141789149
1223151757
1313a12c20
14aa7c751
15719823d
hex4d39bf3

80976883 has 4 divisors (see below), whose sum is σ = 87205888. Its totient is φ = 74747880.

The previous prime is 80976877. The next prime is 80976887. The reversal of 80976883 is 38867908.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80976883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80976887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114483 + ... + 3114508.

It is an arithmetic number, because the mean of its divisors is an integer number (21801472).

Almost surely, 280976883 is an apocalyptic number.

80976883 is a deficient number, since it is larger than the sum of its proper divisors (6229005).

80976883 is a wasteful number, since it uses less digits than its factorization.

80976883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229004.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 80976883 is about 8998.7156305775. The cubic root of 80976883 is about 432.6337060854.

The spelling of 80976883 in words is "eighty million, nine hundred seventy-six thousand, eight hundred eighty-three".

Divisors: 1 13 6228991 80976883