Search a number
-
+
268857418 = 2418339503
BaseRepresentation
bin10000000001100…
…111000001001010
3200201220101001011
4100001213001022
51022311414133
642402314134
76443151604
oct2001470112
9621811034
10268857418
11128843615
127605894a
1343915a3b
14279c8174
151890b6cd
hex1006704a

268857418 has 16 divisors (see below), whose sum is σ = 418110336. Its totient is φ = 129566560.

The previous prime is 268857409. The next prime is 268857469. The reversal of 268857418 is 814758862.

It is a super-2 number, since 2×2688574182 = 144568622427253448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12946 + ... + 26557.

It is an arithmetic number, because the mean of its divisors is an integer number (26131896).

Almost surely, 2268857418 is an apocalyptic number.

268857418 is a deficient number, since it is larger than the sum of its proper divisors (149252918).

268857418 is a wasteful number, since it uses less digits than its factorization.

268857418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39629.

The product of its digits is 860160, while the sum is 49.

The square root of 268857418 is about 16396.8722017341. The cubic root of 268857418 is about 645.4174074428.

It can be divided in two parts, 2688 and 57418, that added together give a palindrome (60106).

The spelling of 268857418 in words is "two hundred sixty-eight million, eight hundred fifty-seven thousand, four hundred eighteen".

Divisors: 1 2 41 82 83 166 3403 6806 39503 79006 1619623 3239246 3278749 6557498 134428709 268857418