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86258816 = 277217809
BaseRepresentation
bin1010010010000…
…11010010000000
320000022101211222
411021003102000
5134040240231
612320454212
72065121300
oct511032200
9200271758
1086258816
1144766586
1224a7a368
1314b42127
14b655600
15788d27b
hex5243480

86258816 has 96 divisors (see below), whose sum is σ = 211920300. Its totient is φ = 34750464.

The previous prime is 86258807. The next prime is 86258831. The reversal of 86258816 is 61885268.

It can be written as a sum of positive squares in 2 ways, for example, as 75342400 + 10916416 = 8680^2 + 3304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106220 + ... + 107028.

Almost surely, 286258816 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 86258816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105960150).

86258816 is an abundant number, since it is smaller than the sum of its proper divisors (125661484).

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

86258816 is a wasteful number, since it uses less digits than its factorization.

86258816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 835 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 86258816 is about 9287.5624358601. The cubic root of 86258816 is about 441.8428493420.

The spelling of 86258816 in words is "eighty-six million, two hundred fifty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 49 56 64 68 98 112 119 128 136 196 224 238 272 392 448 476 544 784 809 833 896 952 1088 1568 1618 1666 1904 2176 3136 3236 3332 3808 5663 6272 6472 6664 7616 11326 12944 13328 13753 15232 22652 25888 26656 27506 39641 45304 51776 53312 55012 79282 90608 96271 103552 106624 110024 158564 181216 192542 220048 317128 362432 385084 440096 634256 673897 724864 770168 880192 1268512 1347794 1540336 1760384 2537024 2695588 3080672 5074048 5391176 6161344 10782352 12322688 21564704 43129408 86258816