Base | Representation |
---|---|
bin | 11011011100100… |
… | …00100001110010 |
3 | 121001012220100212 |
4 | 31232100201302 |
5 | 432414331010 |
6 | 34502344122 |
7 | 5463631604 |
oct | 1556204162 |
9 | 531186325 |
10 | 230230130 |
11 | 108a60339 |
12 | 6512b042 |
13 | 3890cc60 |
14 | 22811174 |
15 | 1532b505 |
hex | db90872 |
230230130 has 64 divisors (see below), whose sum is σ = 465665760. Its totient is φ = 81371136.
The previous prime is 230230123. The next prime is 230230151. The reversal of 230230130 is 31032032.
230230130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 16 ways, for example, as 24393721 + 205836409 = 4939^2 + 14347^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652034 + ... + 652386.
Almost surely, 2230230130 is an apocalyptic number.
230230130 is an abundant number, since it is smaller than the sum of its proper divisors (235435630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230230130 is a wasteful number, since it uses less digits than its factorization.
230230130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 575.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 230230130 is about 15173.3361526067. The cubic root of 230230130 is about 612.8968456974.
Adding to 230230130 its reverse (31032032), we get a palindrome (261262162).
The spelling of 230230130 in words is "two hundred thirty million, two hundred thirty thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •