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80868954 = 2313478159
BaseRepresentation
bin1001101000111…
…11011001011010
312122011120100110
410310133121122
5131200301304
612005145150
72001242355
oct464373132
9178146313
1080868954
1141715051
12230bb1b6
13139a5a6a
14aa5129c
157176289
hex4d1f65a

80868954 has 8 divisors (see below), whose sum is σ = 161737920. Its totient is φ = 26956316.

The previous prime is 80868947. The next prime is 80868971. The reversal of 80868954 is 45986808.

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

80868954 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6739074 + ... + 6739085.

It is an arithmetic number, because the mean of its divisors is an integer number (20217240).

Almost surely, 280868954 is an apocalyptic number.

80868954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80868954 is a wasteful number, since it uses less digits than its factorization.

80868954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478164.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 80868954 is about 8992.7167196571. The cubic root of 80868954 is about 432.4414105316.

The spelling of 80868954 in words is "eighty million, eight hundred sixty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 13478159 26956318 40434477 80868954