Search a number
-
+
268158834 = 232131113723
BaseRepresentation
bin11111111101111…
…00011101110010
3200200120212202200
433332330131302
51022122040314
642335324030
76434212116
oct1776743562
9620525680
10268158834
11128406779
1275980616
134372ca88
1427885746
151881e709
hexffbc772

268158834 has 24 divisors (see below), whose sum is σ = 585451152. Its totient is φ = 88703160.

The previous prime is 268158809. The next prime is 268158841. The reversal of 268158834 is 438851862.

268158834 is a `hidden beast` number, since 2 + 68 + 1 + 588 + 3 + 4 = 666.

It is a super-4 number, since 4×2681588344 (a number of 35 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268158834.

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, 54504 + ... + 59219.

It is an arithmetic number, because the mean of its divisors is an integer number (24393798).

Almost surely, 2268158834 is an apocalyptic number.

268158834 is an abundant number, since it is smaller than the sum of its proper divisors (317292318).

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

268158834 is a wasteful number, since it uses less digits than its factorization.

268158834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113862 (or 113859 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 268158834 is about 16375.5559905611. Note that the first 3 decimals coincide. The cubic root of 268158834 is about 644.8579171444.

The spelling of 268158834 in words is "two hundred sixty-eight million, one hundred fifty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 131 262 393 786 1179 2358 113723 227446 341169 682338 1023507 2047014 14897713 29795426 44693139 89386278 134079417 268158834