Base | Representation |
---|---|
bin | 11011011010111… |
… | …11101110000101 |
3 | 121000211202010112 |
4 | 31231133232011 |
5 | 432341431323 |
6 | 34454202405 |
7 | 5462140010 |
oct | 1555375605 |
9 | 530752115 |
10 | 230030213 |
11 | 108934116 |
12 | 65053405 |
13 | 3886cc6a |
14 | 2279c377 |
15 | 152dc178 |
hex | db5fb85 |
230030213 has 16 divisors (see below), whose sum is σ = 285151104. Its totient is φ = 181040640.
The previous prime is 230030197. The next prime is 230030231. The reversal of 230030213 is 312030032.
It is a cyclic number.
It is not a de Polignac number, because 230030213 - 24 = 230030197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230060213) 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, 18695 + ... + 28452.
It is an arithmetic number, because the mean of its divisors is an integer number (17821944).
Almost surely, 2230030213 is an apocalyptic number.
It is an amenable number.
230030213 is a deficient number, since it is larger than the sum of its proper divisors (55120891).
230030213 is a wasteful number, since it uses less digits than its factorization.
230030213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47212.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 230030213 is about 15166.7469485055. The cubic root of 230030213 is about 612.7193942910.
Adding to 230030213 its reverse (312030032), we get a palindrome (542060245).
The spelling of 230030213 in words is "two hundred thirty million, thirty thousand, two hundred thirteen".
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