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86983872 = 2634491009
BaseRepresentation
bin1010010111101…
…00010011000000
320001200020102220
411023310103000
5134231440442
612344211040
72104231203
oct513642300
9201606386
1086983872
11451112a8
1225169a80
1315037161
14b7a393a
157982eec
hex52f44c0

86983872 has 56 divisors (see below), whose sum is σ = 230886000. Its totient is φ = 28901376.

The previous prime is 86983859. The next prime is 86983873. The reversal of 86983872 is 27838968.

It is a super-2 number, since 2×869838722 = 15132387976224768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86983873) 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 7 ways as a sum of consecutive naturals, for example, 85704 + ... + 86712.

Almost surely, 286983872 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 86983872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115443000).

86983872 is an abundant number, since it is smaller than the sum of its proper divisors (143902128).

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

86983872 is a wasteful number, since it uses less digits than its factorization.

86983872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1463 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 86983872 is about 9326.5144614695. The cubic root of 86983872 is about 443.0773796588.

The spelling of 86983872 in words is "eighty-six million, nine hundred eighty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 449 898 1009 1347 1796 2018 2694 3027 3592 4036 5388 6054 7184 8072 10776 12108 14368 16144 21552 24216 28736 32288 43104 48432 64576 86208 96864 193728 453041 906082 1359123 1812164 2718246 3624328 5436492 7248656 10872984 14497312 21745968 28994624 43491936 86983872