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86263872 = 2633712143
BaseRepresentation
bin1010010010001…
…00100001000000
320000022122210020
411021010201000
5134040420442
612320533440
72065142112
oct511044100
9200278706
1086263872
114476a362
1224a81280
1314b44516
14b6573b2
15788e9ec
hex5244840

86263872 has 56 divisors (see below), whose sum is σ = 234427776. Its totient is φ = 27975168.

The previous prime is 86263871. The next prime is 86263883. The reversal of 86263872 is 27836268.

It is a super-3 number, since 3×862638723 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86263871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 13175.

Almost surely, 286263872 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 86263872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117213888).

86263872 is an abundant number, since it is smaller than the sum of its proper divisors (148163904).

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

86263872 is a wasteful number, since it uses less digits than its factorization.

86263872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12195 (or 12185 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 86263872 is about 9287.8346238507. The cubic root of 86263872 is about 441.8514819429.

The spelling of 86263872 in words is "eighty-six million, two hundred sixty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 148 192 222 296 444 592 888 1184 1776 2368 3552 7104 12143 24286 36429 48572 72858 97144 145716 194288 291432 388576 449291 582864 777152 898582 1165728 1347873 1797164 2331456 2695746 3594328 5391492 7188656 10782984 14377312 21565968 28754624 43131936 86263872