Search a number
-
+
86112560 = 24519181313
BaseRepresentation
bin1010010000111…
…11100100110000
320000000222020002
411020133210300
5134021100220
612313405132
72063642012
oct510374460
9200028202
1086112560
1144676706
1224a097a8
1314ac06a1
14b6181b2
15785ec75
hex521f930

86112560 has 80 divisors (see below), whose sum is σ = 212590560. Its totient is φ = 32348160.

The previous prime is 86112527. The next prime is 86112577. The reversal of 86112560 is 6521168.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274964 + ... + 275276.

It is an arithmetic number, because the mean of its divisors is an integer number (2657382).

Almost surely, 286112560 is an apocalyptic number.

86112560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86112560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106295280).

86112560 is an abundant number, since it is smaller than the sum of its proper divisors (126478000).

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

86112560 is a wasteful number, since it uses less digits than its factorization.

86112560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 86112560 is about 9279.6853394929. The cubic root of 86112560 is about 441.5929860872.

The spelling of 86112560 in words is "eighty-six million, one hundred twelve thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 181 190 304 313 362 380 626 724 760 905 1252 1448 1520 1565 1810 2504 2896 3130 3439 3620 5008 5947 6260 6878 7240 11894 12520 13756 14480 17195 23788 25040 27512 29735 34390 47576 55024 56653 59470 68780 95152 113306 118940 137560 226612 237880 275120 283265 453224 475760 566530 906448 1076407 1133060 2152814 2266120 4305628 4532240 5382035 8611256 10764070 17222512 21528140 43056280 86112560