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86888256 = 2637134973
BaseRepresentation
bin1010010110111…
…00111101000000
320001111101021120
411023130331000
5134220411011
612342152240
72103352350
oct513347500
9201441246
1086888256
1145056484
1225122680
1315002790
14b77ab60
157964a06
hex52dcf40

86888256 has 112 divisors (see below), whose sum is σ = 283000704. Its totient is φ = 22910976.

The previous prime is 86888237. The next prime is 86888261. The reversal of 86888256 is 65288868.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 86888199 and 86888208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14986 + ... + 19958.

It is an arithmetic number, because the mean of its divisors is an integer number (2526792).

Almost surely, 286888256 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 86888256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141500352).

86888256 is an abundant number, since it is smaller than the sum of its proper divisors (196112448).

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

86888256 is a wasteful number, since it uses less digits than its factorization.

86888256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008 (or 4998 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 86888256 is about 9321.3870212539. The cubic root of 86888256 is about 442.9149709332.

The spelling of 86888256 in words is "eighty-six million, eight hundred eighty-eight thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 448 546 624 672 728 832 1092 1248 1344 1456 2184 2496 2912 4368 4973 5824 8736 9946 14919 17472 19892 29838 34811 39784 59676 64649 69622 79568 104433 119352 129298 139244 159136 193947 208866 238704 258596 278488 318272 387894 417732 452543 477408 517192 556976 775788 835464 905086 954816 1034384 1113952 1357629 1551576 1670928 1810172 2068768 2227904 2715258 3103152 3341856 3620344 4137536 5430516 6206304 6683712 7240688 10861032 12412608 14481376 21722064 28962752 43444128 86888256