Base | Representation |
---|---|
bin | 11011011011100… |
… | …10000000110000 |
3 | 121000222112220110 |
4 | 31231302000300 |
5 | 432401331021 |
6 | 34455541320 |
7 | 5462601312 |
oct | 1555620060 |
9 | 530875813 |
10 | 230105136 |
11 | 108985438 |
12 | 6508a840 |
13 | 388980b1 |
14 | 227bb7b2 |
15 | 15304476 |
hex | db72030 |
230105136 has 20 divisors (see below), whose sum is σ = 594438392. Its totient is φ = 76701696.
The previous prime is 230105101. The next prime is 230105159. The reversal of 230105136 is 631501032.
It is a super-2 number, since 2×2301051362 = 105896747227156992, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396881 + ... + 2396976.
Almost surely, 2230105136 is an apocalyptic number.
It is an amenable number.
230105136 is an abundant number, since it is smaller than the sum of its proper divisors (364333256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230105136 is a wasteful number, since it uses less digits than its factorization.
230105136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4793868 (or 4793862 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 230105136 is about 15169.2167233513. The cubic root of 230105136 is about 612.7859098897.
Adding to 230105136 its reverse (631501032), we get a palindrome (861606168).
The spelling of 230105136 in words is "two hundred thirty million, one hundred five thousand, one hundred thirty-six".
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