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86072928 = 2532943719
BaseRepresentation
bin1010010000101…
…01111001100000
312222221221212020
411020111321200
5134013313203
612312501440
72063415324
oct510257140
9188857766
1086072928
1144649957
12249aa880
1314aa8636
14b607984
157853153
hex5215e60

86072928 has 96 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 27019776.

The previous prime is 86072897. The next prime is 86072929. The reversal of 86072928 is 82927068.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 86072928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86072929) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 119353 + ... + 120071.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 286072928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86072928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119750400).

86072928 is an abundant number, since it is smaller than the sum of its proper divisors (153427872).

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

86072928 is a wasteful number, since it uses less digits than its factorization.

86072928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 86072928 is about 9277.5496765040. The cubic root of 86072928 is about 441.5252301997.

The spelling of 86072928 in words is "eighty-six million, seventy-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 43 48 58 86 87 96 116 129 172 174 232 258 344 348 464 516 688 696 719 928 1032 1247 1376 1392 1438 2064 2157 2494 2784 2876 3741 4128 4314 4988 5752 7482 8628 9976 11504 14964 17256 19952 20851 23008 29928 30917 34512 39904 41702 59856 61834 62553 69024 83404 92751 119712 123668 125106 166808 185502 247336 250212 333616 371004 494672 500424 667232 742008 896593 989344 1000848 1484016 1793186 2001696 2689779 2968032 3586372 5379558 7172744 10759116 14345488 21518232 28690976 43036464 86072928