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86043078 = 23211434561
BaseRepresentation
bin1010010000011…
…10100111000110
312222220102220200
411020032213012
5134011334303
612312111330
72063232312
oct510164706
9188812820
1086043078
1144629490
1224995546
1314a97b84
14b5dab42
1578493a3
hex520e9c6

86043078 has 24 divisors (see below), whose sum is σ = 203375016. Its totient is φ = 26073600.

The previous prime is 86043071. The next prime is 86043079. The reversal of 86043078 is 87034068.

It is a super-2 number, since 2×860430782 = 14806822543428168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86043071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217083 + ... + 217478.

It is an arithmetic number, because the mean of its divisors is an integer number (8473959).

Almost surely, 286043078 is an apocalyptic number.

86043078 is an abundant number, since it is smaller than the sum of its proper divisors (117331938).

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

86043078 is a wasteful number, since it uses less digits than its factorization.

86043078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434580 (or 434577 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 86043078 is about 9275.9408148177. The cubic root of 86043078 is about 441.4741841380.

The spelling of 86043078 in words is "eighty-six million, forty-three thousand, seventy-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 434561 869122 1303683 2607366 3911049 4780171 7822098 9560342 14340513 28681026 43021539 86043078