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256043113 = 436788873
BaseRepresentation
bin11110100001011…
…10100001101001
3122211210100010021
433100232201221
51011021334423
641223520441
76226221244
oct1720564151
9584710107
10256043113
11121590a87
12718b9121
134107a201
142601025b
151772995d
hexf42e869

256043113 has 8 divisors (see below), whose sum is σ = 265911008. Its totient is φ = 246353184.

The previous prime is 256043083. The next prime is 256043141. The reversal of 256043113 is 311340652.

256043113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256043113 - 225 = 222488681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256041113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41556 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (33238876).

Almost surely, 2256043113 is an apocalyptic number.

It is an amenable number.

256043113 is a deficient number, since it is larger than the sum of its proper divisors (9867895).

256043113 is an equidigital number, since it uses as much as digits as its factorization.

256043113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88983.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 256043113 is about 16001.3472245308. The cubic root of 256043113 is about 634.9960633811.

Adding to 256043113 its reverse (311340652), we get a palindrome (567383765).

The spelling of 256043113 in words is "two hundred fifty-six million, forty-three thousand, one hundred thirteen".

Divisors: 1 43 67 2881 88873 3821539 5954491 256043113