Base | Representation |
---|---|
bin | 11011011010111… |
… | …00000011100101 |
3 | 121000210222112200 |
4 | 31231130003211 |
5 | 432340441310 |
6 | 34454005113 |
7 | 5462045160 |
oct | 1555340345 |
9 | 530728480 |
10 | 230015205 |
11 | 108923912 |
12 | 65046799 |
13 | 38866194 |
14 | 22796ad7 |
15 | 152d79c0 |
hex | db5c0e5 |
230015205 has 48 divisors (see below), whose sum is σ = 458649984. Its totient is φ = 104457600.
The previous prime is 230015183. The next prime is 230015209. The reversal of 230015205 is 502510032.
It is a happy number.
It is not a de Polignac number, because 230015205 - 25 = 230015173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230015209) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47130 + ... + 51780.
It is an arithmetic number, because the mean of its divisors is an integer number (9555208).
Almost surely, 2230015205 is an apocalyptic number.
It is an amenable number.
230015205 is a deficient number, since it is larger than the sum of its proper divisors (228634779).
230015205 is a wasteful number, since it uses less digits than its factorization.
230015205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4826 (or 4823 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 230015205 is about 15166.2521738233. The cubic root of 230015205 is about 612.7060686608.
Adding to 230015205 its reverse (502510032), we get a palindrome (732525237).
The spelling of 230015205 in words is "two hundred thirty million, fifteen thousand, two hundred five".
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