Base | Representation |
---|---|
bin | 11011011101001… |
… | …00010011001011 |
3 | 121001101000110022 |
4 | 31232210103023 |
5 | 432424423430 |
6 | 34504211055 |
7 | 5464416656 |
oct | 1556442313 |
9 | 531330408 |
10 | 230311115 |
11 | 109006171 |
12 | 65169a8b |
13 | 3893aa88 |
14 | 2283289d |
15 | 153454e5 |
hex | dba44cb |
230311115 has 4 divisors (see below), whose sum is σ = 276373344. Its totient is φ = 184248888.
The previous prime is 230311079. The next prime is 230311117. The reversal of 230311115 is 511113032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230311115 - 212 = 230307019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230311093 and 230311102.
It is not an unprimeable number, because it can be changed into a prime (230311117) 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, 23031107 + ... + 23031116.
It is an arithmetic number, because the mean of its divisors is an integer number (69093336).
Almost surely, 2230311115 is an apocalyptic number.
230311115 is a deficient number, since it is larger than the sum of its proper divisors (46062229).
230311115 is an equidigital number, since it uses as much as digits as its factorization.
230311115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46062228.
The product of its (nonzero) digits is 90, while the sum is 17.
The square root of 230311115 is about 15176.0045795987. The cubic root of 230311115 is about 612.9687008051.
Adding to 230311115 its reverse (511113032), we get a palindrome (741424147).
The spelling of 230311115 in words is "two hundred thirty million, three hundred eleven thousand, one hundred fifteen".
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