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86090872 = 2371537337
BaseRepresentation
bin1010010000110…
…10010001111000
312222222212110211
411020122101320
5134014401442
612313120504
72063521540
oct510322170
9188885424
1086090872
114466138a
12249b9134
1314ab385a
14b610320
157858617
hex521a478

86090872 has 16 divisors (see below), whose sum is σ = 184480560. Its totient is φ = 36896064.

The previous prime is 86090869. The next prime is 86090911. The reversal of 86090872 is 27809068.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768613 + ... + 768724.

It is an arithmetic number, because the mean of its divisors is an integer number (11530035).

Almost surely, 286090872 is an apocalyptic number.

It is an amenable number.

86090872 is an abundant number, since it is smaller than the sum of its proper divisors (98389688).

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

86090872 is a wasteful number, since it uses less digits than its factorization.

86090872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537350 (or 1537346 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 86090872 is about 9278.5166917994. The cubic root of 86090872 is about 441.5559103001. Note that the first 3 decimals are identical.

The spelling of 86090872 in words is "eighty-six million, ninety thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 1537337 3074674 6149348 10761359 12298696 21522718 43045436 86090872