Search a number
-
+
86307984 = 2433728541
BaseRepresentation
bin1010010010011…
…11010010010000
320000101220022000
411021033102100
5134043323414
612321514000
72065414530
oct511172220
9200356260
1086307984
114479a514
1224aa2900
1314b5b619
14b6694c0
15789cb09
hex524f490

86307984 has 80 divisors (see below), whose sum is σ = 283136640. Its totient is φ = 24658560.

The previous prime is 86307971. The next prime is 86307989. The reversal of 86307984 is 48970368.

It is a happy number.

86307984 is a `hidden beast` number, since 8 + 630 + 7 + 9 + 8 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (86307989) 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 15 ways as a sum of consecutive naturals, for example, 11247 + ... + 17294.

It is an arithmetic number, because the mean of its divisors is an integer number (3539208).

Almost surely, 286307984 is an apocalyptic number.

86307984 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86307984 is an abundant number, since it is smaller than the sum of its proper divisors (196828656).

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

86307984 is a wasteful number, since it uses less digits than its factorization.

86307984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28565 (or 28553 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 86307984 is about 9290.2090396288. The cubic root of 86307984 is about 441.9267843484.

The spelling of 86307984 in words is "eighty-six million, three hundred seven thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1008 1512 3024 28541 57082 85623 114164 171246 199787 228328 256869 342492 399574 456656 513738 599361 684984 770607 799148 1027476 1198722 1369968 1541214 1598296 1798083 2054952 2397444 3082428 3196592 3596166 4109904 4794888 5394249 6164856 7192332 9589776 10788498 12329712 14384664 21576996 28769328 43153992 86307984