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256241156 = 22199321911
BaseRepresentation
bin11110100010111…
…10111000000100
3122212011101210012
433101132320010
51011044204111
641232045352
76231004523
oct1721367004
9585141705
10256241156
11121706856
1271993858
13411193b2
14260624ba
151776848b
hexf45ee04

256241156 has 12 divisors (see below), whose sum is σ = 450676800. Its totient is φ = 127476360.

The previous prime is 256241149. The next prime is 256241159. The reversal of 256241156 is 651142652.

256241156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256241159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160160 + ... + 161751.

It is an arithmetic number, because the mean of its divisors is an integer number (37556400).

Almost surely, 2256241156 is an apocalyptic number.

It is an amenable number.

256241156 is a deficient number, since it is larger than the sum of its proper divisors (194435644).

256241156 is a wasteful number, since it uses less digits than its factorization.

256241156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322114 (or 322112 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 256241156 is about 16007.5343510486. The cubic root of 256241156 is about 635.1597390926.

The spelling of 256241156 in words is "two hundred fifty-six million, two hundred forty-one thousand, one hundred fifty-six".

Divisors: 1 2 4 199 398 796 321911 643822 1287644 64060289 128120578 256241156