Base | Representation |
---|---|
bin | 11011011100011… |
… | …01101000100000 |
3 | 121001012022002200 |
4 | 31232031220200 |
5 | 432413441042 |
6 | 34502213200 |
7 | 5463552204 |
oct | 1556155040 |
9 | 531168080 |
10 | 230218272 |
11 | 108a52439 |
12 | 65124200 |
13 | 3890773b |
14 | 2280ab04 |
15 | 15327c4c |
hex | db8da20 |
230218272 has 36 divisors (see below), whose sum is σ = 654684030. Its totient is φ = 76739328.
The previous prime is 230218271. The next prime is 230218279. The reversal of 230218272 is 272812032.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 213276816 + 16941456 = 14604^2 + 4116^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (230218271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399397 + ... + 399972.
Almost surely, 2230218272 is an apocalyptic number.
It is an amenable number.
230218272 is an abundant number, since it is smaller than the sum of its proper divisors (424465758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230218272 is a wasteful number, since it uses less digits than its factorization.
230218272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 799385 (or 799374 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 230218272 is about 15172.9453963296. The cubic root of 230218272 is about 612.8863231020.
The spelling of 230218272 in words is "two hundred thirty million, two hundred eighteen thousand, two hundred seventy-two".
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