Base | Representation |
---|---|
bin | 11111000101111… |
… | …11010010110101 |
3 | 200011210120000210 |
4 | 33202333102311 |
5 | 1013233033024 |
6 | 41514300033 |
7 | 6315010311 |
oct | 1742772265 |
9 | 604716023 |
10 | 260830389 |
11 | 124260806 |
12 | 73427619 |
13 | 42065211 |
14 | 268d8b41 |
15 | 17d73129 |
hex | f8bf4b5 |
260830389 has 16 divisors (see below), whose sum is σ = 357496832. Its totient is φ = 169062768.
The previous prime is 260830291. The next prime is 260830391. The reversal of 260830389 is 983038062.
It is not a de Polignac number, because 260830389 - 27 = 260830261 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (260820389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24234 + ... + 33300.
It is an arithmetic number, because the mean of its divisors is an integer number (22343552).
Almost surely, 2260830389 is an apocalyptic number.
It is an amenable number.
260830389 is a deficient number, since it is larger than the sum of its proper divisors (96666443).
260830389 is a wasteful number, since it uses less digits than its factorization.
260830389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9336.
The product of its (nonzero) digits is 62208, while the sum is 39.
The square root of 260830389 is about 16150.2442396392. The cubic root of 260830389 is about 638.9291900151.
The spelling of 260830389 in words is "two hundred sixty million, eight hundred thirty thousand, three hundred eighty-nine".
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