Base | Representation |
---|---|
bin | 11110100101101… |
… | …11010001110100 |
3 | 122212211210111011 |
4 | 33102313101310 |
5 | 1011142301002 |
6 | 41243522004 |
7 | 6234043303 |
oct | 1722672164 |
9 | 585753434 |
10 | 256603252 |
11 | 121933904 |
12 | 71b29304 |
13 | 41215159 |
14 | 2611843a |
15 | 177da8d7 |
hex | f4b7474 |
256603252 has 12 divisors (see below), whose sum is σ = 464540580. Its totient is φ = 123877376.
The previous prime is 256603241. The next prime is 256603261. The reversal of 256603252 is 252306652.
It can be written as a sum of positive squares in 2 ways, for example, as 166048996 + 90554256 = 12886^2 + 9516^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105933 + ... + 1106164.
It is an arithmetic number, because the mean of its divisors is an integer number (38711715).
Almost surely, 2256603252 is an apocalyptic number.
It is an amenable number.
256603252 is a deficient number, since it is larger than the sum of its proper divisors (207937328).
256603252 is a wasteful number, since it uses less digits than its factorization.
256603252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2212130 (or 2212128 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 31.
The square root of 256603252 is about 16018.8405323232. The cubic root of 256603252 is about 635.4587810271.
The spelling of 256603252 in words is "two hundred fifty-six million, six hundred three thousand, two hundred fifty-two".
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