Base | Representation |
---|---|
bin | 11011011101001… |
… | …10100001010011 |
3 | 121001101110221012 |
4 | 31232212201103 |
5 | 432430221321 |
6 | 34504321135 |
7 | 5464455332 |
oct | 1556464123 |
9 | 531343835 |
10 | 230320211 |
11 | 109011a90 |
12 | 651731ab |
13 | 38941c64 |
14 | 22835d19 |
15 | 1534805b |
hex | dba6853 |
230320211 has 4 divisors (see below), whose sum is σ = 251258424. Its totient is φ = 209382000.
The previous prime is 230320187. The next prime is 230320213. The reversal of 230320211 is 112023032.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230320211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230320213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10469090 + ... + 10469111.
It is an arithmetic number, because the mean of its divisors is an integer number (62814606).
Almost surely, 2230320211 is an apocalyptic number.
230320211 is a deficient number, since it is larger than the sum of its proper divisors (20938213).
230320211 is a wasteful number, since it uses less digits than its factorization.
230320211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20938212.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 230320211 is about 15176.3042602605. The cubic root of 230320211 is about 612.9767703098.
Adding to 230320211 its reverse (112023032), we get a palindrome (342343243).
The spelling of 230320211 in words is "two hundred thirty million, three hundred twenty thousand, two hundred eleven".
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