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86888872 = 2372953503
BaseRepresentation
bin1010010110111…
…01000110101000
320001111102010101
411023131012220
5134220420442
612342155144
72103354220
oct513350650
9201442111
1086888872
1145056994
1225122ab4
1315002b45
14b77b080
157964cb7
hex52dd1a8

86888872 has 32 divisors (see below), whose sum is σ = 192614400. Its totient is φ = 35953344.

The previous prime is 86888863. The next prime is 86888891. The reversal of 86888872 is 27888868.

It is a happy number.

It is an unprimeable number.

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, 25128 + ... + 28375.

It is an arithmetic number, because the mean of its divisors is an integer number (6019200).

Almost surely, 286888872 is an apocalyptic number.

It is an amenable number.

86888872 is an abundant number, since it is smaller than the sum of its proper divisors (105725528).

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

86888872 is a wasteful number, since it uses less digits than its factorization.

86888872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53545 (or 53541 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 55.

The square root of 86888872 is about 9321.4200634882. The cubic root of 86888872 is about 442.9160176223.

The spelling of 86888872 in words is "eighty-six million, eight hundred eighty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 53503 107006 214012 374521 428024 749042 1498084 1551587 2996168 3103174 6206348 10861109 12412696 21722218 43444436 86888872