Search a number
-
+
115786864 = 2417894783
BaseRepresentation
bin1101110011011…
…00010001110000
322001212120201101
412321230101300
5214120134424
615253414144
72604113014
oct671542160
9261776641
10115786864
115a3a4426
123293a354
131acb034b
1411540544
15a272344
hex6e6c470

115786864 has 40 divisors (see below), whose sum is σ = 240252480. Its totient is φ = 53864448.

The previous prime is 115786843. The next prime is 115786873. The reversal of 115786864 is 468687511.

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 7 ways as a sum of consecutive naturals, for example, 21817 + ... + 26599.

It is an arithmetic number, because the mean of its divisors is an integer number (6006312).

Almost surely, 2115786864 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 115786864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120126240).

115786864 is an abundant number, since it is smaller than the sum of its proper divisors (124465616).

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

115786864 is a wasteful number, since it uses less digits than its factorization.

115786864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897 (or 4891 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 115786864 is about 10760.4304746604. The cubic root of 115786864 is about 487.4010164145.

It can be divided in two parts, 11 and 5786864, that added together give a palindrome (5786875).

The spelling of 115786864 in words is "one hundred fifteen million, seven hundred eighty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 17 34 68 89 136 178 272 356 712 1424 1513 3026 4783 6052 9566 12104 19132 24208 38264 76528 81311 162622 325244 425687 650488 851374 1300976 1702748 3405496 6810992 7236679 14473358 28946716 57893432 115786864