Base | Representation |
---|---|
bin | 100101011010100… |
… | …0101100010100000 |
3 | 10020111022110121200 |
4 | 1022311011202200 |
5 | 10032342232204 |
6 | 324324121200 |
7 | 43052660442 |
oct | 11265054240 |
9 | 3214273550 |
10 | 1255430304 |
11 | 594726407 |
12 | 2b0536200 |
13 | 17013148b |
14 | bca3c492 |
15 | 75339539 |
hex | 4ad458a0 |
1255430304 has 36 divisors (see below), whose sum is σ = 3570130746. Its totient is φ = 418476672.
The previous prime is 1255430287. The next prime is 1255430327. The reversal of 1255430304 is 4030345521.
It can be written as a sum of positive squares in only one way, i.e., 896403600 + 359026704 = 29940^2 + 18948^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×12554303042 = 3152210496403064832, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2179279 + ... + 2179854.
Almost surely, 21255430304 is an apocalyptic number.
It is an amenable number.
1255430304 is an abundant number, since it is smaller than the sum of its proper divisors (2314700442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1255430304 is a wasteful number, since it uses less digits than its factorization.
1255430304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4359149 (or 4359138 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 1255430304 is about 35432.0519304203. The cubic root of 1255430304 is about 1078.7749896351.
Adding to 1255430304 its reverse (4030345521), we get a palindrome (5285775825).
The spelling of 1255430304 in words is "one billion, two hundred fifty-five million, four hundred thirty thousand, three hundred four".
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