Base | Representation |
---|---|
bin | 11110100101101… |
… | …10111110101011 |
3 | 122212211201210210 |
4 | 33102312332223 |
5 | 1011142231102 |
6 | 41243512203 |
7 | 6234036603 |
oct | 1722667653 |
9 | 585751723 |
10 | 256602027 |
11 | 1219329a0 |
12 | 71b28663 |
13 | 41214726 |
14 | 26117c03 |
15 | 177da36c |
hex | f4b6fab |
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".
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