Base | Representation |
---|---|
bin | 11011011101000… |
… | …10100111010101 |
3 | 121001100122222200 |
4 | 31232202213111 |
5 | 432424213323 |
6 | 34504115113 |
7 | 5464360566 |
oct | 1556424725 |
9 | 531318880 |
10 | 230304213 |
11 | 109000a67 |
12 | 65165a99 |
13 | 389378a9 |
14 | 2283016d |
15 | 15343443 |
hex | dba29d5 |
230304213 has 12 divisors (see below), whose sum is σ = 335282688. Its totient is φ = 152326440.
The previous prime is 230304211. The next prime is 230304227. The reversal of 230304213 is 312403032.
It is not a de Polignac number, because 230304213 - 21 = 230304211 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230304211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99603 + ... + 101888.
It is an arithmetic number, because the mean of its divisors is an integer number (27940224).
Almost surely, 2230304213 is an apocalyptic number.
It is an amenable number.
230304213 is a deficient number, since it is larger than the sum of its proper divisors (104978475).
230304213 is a wasteful number, since it uses less digits than its factorization.
230304213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201624 (or 201621 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 230304213 is about 15175.7771794396. Note that the first 3 decimals coincide. The cubic root of 230304213 is about 612.9625775629.
Adding to 230304213 its reverse (312403032), we get a palindrome (542707245).
The spelling of 230304213 in words is "two hundred thirty million, three hundred four thousand, two hundred thirteen".
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