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80676563 = 1111536361
BaseRepresentation
bin1001100111100…
…00011011010011
312121210210102212
410303300123103
5131123122223
612001102335
71666511432
oct463603323
9177723385
1080676563
11415a3550
12230279ab
1313939316
14aa01119
157139278
hex4cf06d3

80676563 has 8 divisors (see below), whose sum is σ = 88100976. Its totient is φ = 73267200.

The previous prime is 80676551. The next prime is 80676569. The reversal of 80676563 is 36567608.

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 80676563 - 26 = 80676499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80676563.

It is not an unprimeable number, because it can be changed into a prime (80676569) 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, 9503 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (11012622).

Almost surely, 280676563 is an apocalyptic number.

80676563 is a deficient number, since it is larger than the sum of its proper divisors (7424413).

80676563 is a wasteful number, since it uses less digits than its factorization.

80676563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 80676563 is about 8982.0133043767. The cubic root of 80676563 is about 432.0982054827.

The spelling of 80676563 in words is "eighty million, six hundred seventy-six thousand, five hundred sixty-three".

Divisors: 1 11 1153 6361 12683 69971 7334233 80676563