Search a number
-
+
256150623 = 385383541
BaseRepresentation
bin11110100010010…
…00110001011111
3122211222210121010
433101020301133
51011033304443
641230110303
76230146551
oct1721106137
9584883533
10256150623
11121654833
127194b393
13410b7121
142603b4d1
151774b733
hexf448c5f

256150623 has 4 divisors (see below), whose sum is σ = 341534168. Its totient is φ = 170767080.

The previous prime is 256150607. The next prime is 256150693. The reversal of 256150623 is 326051652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 256150623 - 24 = 256150607 is a prime.

It is a super-2 number, since 2×2561506232 = 131226283326576258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256150603) 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, 42691768 + ... + 42691773.

It is an arithmetic number, because the mean of its divisors is an integer number (85383542).

Almost surely, 2256150623 is an apocalyptic number.

256150623 is a deficient number, since it is larger than the sum of its proper divisors (85383545).

256150623 is an equidigital number, since it uses as much as digits as its factorization.

256150623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85383544.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 256150623 is about 16004.7062765925. The cubic root of 256150623 is about 635.0849271576.

The spelling of 256150623 in words is "two hundred fifty-six million, one hundred fifty thousand, six hundred twenty-three".

Divisors: 1 3 85383541 256150623