Search a number
-
+
256602027 = 31143672699
BaseRepresentation
bin11110100101101…
…10111110101011
3122212211201210210
433102312332223
51011142231102
641243512203
76234036603
oct1722667653
9585751723
10256602027
111219329a0
1271b28663
1341214726
1426117c03
15177da36c
hexf4b6fab

256602027 has 32 divisors (see below), whose sum is σ = 387763200. Its totient is φ = 149577120.

The previous prime is 256601987. The next prime is 256602061. The reversal of 256602027 is 720206652.

It is not a de Polignac number, because 256602027 - 26 = 256601963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256601985 and 256602003.

It is not an unprimeable number, because it can be changed into a prime (256602127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93724 + ... + 96422.

It is an arithmetic number, because the mean of its divisors is an integer number (12117600).

Almost surely, 2256602027 is an apocalyptic number.

256602027 is a deficient number, since it is larger than the sum of its proper divisors (131161173).

256602027 is a wasteful number, since it uses less digits than its factorization.

256602027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 256602027 is about 16018.8022960520. The cubic root of 256602027 is about 635.4577698185.

Adding to 256602027 its reverse (720206652), we get a palindrome (976808679).

The spelling of 256602027 in words is "two hundred fifty-six million, six hundred two thousand, twenty-seven".

Divisors: 1 3 11 33 43 67 129 201 473 737 1419 2211 2699 2881 8097 8643 29689 31691 89067 95073 116057 180833 348171 542499 1276627 1989163 3829881 5967489 7775819 23327457 85534009 256602027