Base | Representation |
---|---|
bin | 11011011101001… |
… | …00010100101011 |
3 | 121001101000120212 |
4 | 31232210110223 |
5 | 432424424321 |
6 | 34504211335 |
7 | 5464420154 |
oct | 1556442453 |
9 | 531330525 |
10 | 230311211 |
11 | 109006249 |
12 | 65169b4b |
13 | 3893ab30 |
14 | 2283292b |
15 | 1534555b |
hex | dba452b |
230311211 has 8 divisors (see below), whose sum is σ = 248458224. Its totient is φ = 212225760.
The previous prime is 230311201. The next prime is 230311229. The reversal of 230311211 is 112113032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230311211 - 210 = 230310187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230311201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7460 + ... + 22721.
It is an arithmetic number, because the mean of its divisors is an integer number (31057278).
Almost surely, 2230311211 is an apocalyptic number.
230311211 is a deficient number, since it is larger than the sum of its proper divisors (18147013).
230311211 is a wasteful number, since it uses less digits than its factorization.
230311211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30781.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 230311211 is about 15176.0077424862. The cubic root of 230311211 is about 612.9687859725.
Adding to 230311211 its reverse (112113032), we get a palindrome (342424243).
It can be divided in two parts, 23031 and 1211, that added together give a palindrome (24242).
The spelling of 230311211 in words is "two hundred thirty million, three hundred eleven thousand, two hundred eleven".
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