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80955888 = 24313129737
BaseRepresentation
bin1001101001101…
…00100111110000
312122022222121020
410310310213300
5131211042023
612011055440
72002053666
oct464644760
9178288536
1080955888
11417743a2
1223141580
1313a064c0
14aa74c36
157191de3
hex4d349f0

80955888 has 40 divisors (see below), whose sum is σ = 225225168. Its totient is φ = 24909312.

The previous prime is 80955881. The next prime is 80955943. The reversal of 80955888 is 88855908.

It is a self number, because there is not a number n which added to its sum of digits gives 80955888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80955881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64245 + ... + 65492.

Almost surely, 280955888 is an apocalyptic number.

It is an amenable number.

80955888 is an abundant number, since it is smaller than the sum of its proper divisors (144269280).

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

80955888 is a wasteful number, since it uses less digits than its factorization.

80955888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129761 (or 129755 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 51.

The square root of 80955888 is about 8997.5489995887. The cubic root of 80955888 is about 432.5963129865.

The spelling of 80955888 in words is "eighty million, nine hundred fifty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 129737 259474 389211 518948 778422 1037896 1556844 1686581 2075792 3113688 3373162 5059743 6227376 6746324 10119486 13492648 20238972 26985296 40477944 80955888