Base | Representation |
---|---|
bin | 11011011101000… |
… | …10101100000001 |
3 | 121001100200101210 |
4 | 31232202230001 |
5 | 432424221023 |
6 | 34504120333 |
7 | 5464361505 |
oct | 1556425401 |
9 | 531320353 |
10 | 230304513 |
11 | 10900120a |
12 | 651660a9 |
13 | 38937a7a |
14 | 22830305 |
15 | 15343593 |
hex | dba2b01 |
230304513 has 16 divisors (see below), whose sum is σ = 313241600. Its totient is φ = 150480720.
The previous prime is 230304479. The next prime is 230304541. The reversal of 230304513 is 315403032.
It is not a de Polignac number, because 230304513 - 26 = 230304449 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230304513.
It is not an unprimeable number, because it can be changed into a prime (230304583) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 29448 + ... + 36438.
It is an arithmetic number, because the mean of its divisors is an integer number (19577600).
Almost surely, 2230304513 is an apocalyptic number.
It is an amenable number.
230304513 is a deficient number, since it is larger than the sum of its proper divisors (82937087).
230304513 is a wasteful number, since it uses less digits than its factorization.
230304513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7212.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 230304513 is about 15175.7870636089. The cubic root of 230304513 is about 612.9628437162.
Adding to 230304513 its reverse (315403032), we get a palindrome (545707545).
The spelling of 230304513 in words is "two hundred thirty million, three hundred four thousand, five hundred thirteen".
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