Base | Representation |
---|---|
bin | 11011011101001… |
… | …00010001100111 |
3 | 121001101000022121 |
4 | 31232210101213 |
5 | 432424423030 |
6 | 34504210411 |
7 | 5464416454 |
oct | 1556442147 |
9 | 531330277 |
10 | 230311015 |
11 | 109006090 |
12 | 65169a07 |
13 | 3893aa0c |
14 | 2283282b |
15 | 1534547a |
hex | dba4467 |
230311015 has 16 divisors (see below), whose sum is σ = 301988736. Its totient is φ = 167226400.
The previous prime is 230311009. The next prime is 230311031. The reversal of 230311015 is 510113032.
It is not a de Polignac number, because 230311015 - 29 = 230310503 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230311015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34500 + ... + 40630.
It is an arithmetic number, because the mean of its divisors is an integer number (18874296).
Almost surely, 2230311015 is an apocalyptic number.
230311015 is a deficient number, since it is larger than the sum of its proper divisors (71677721).
230311015 is a wasteful number, since it uses less digits than its factorization.
230311015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6830.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 230311015 is about 15176.0012849235. The cubic root of 230311015 is about 612.9686120890.
Adding to 230311015 its reverse (510113032), we get a palindrome (740424047).
The spelling of 230311015 in words is "two hundred thirty million, three hundred eleven thousand, fifteen".
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