Base | Representation |
---|---|
bin | 11011011101001… |
… | …10110001001111 |
3 | 121001101112022222 |
4 | 31232212301033 |
5 | 432430234411 |
6 | 34504325555 |
7 | 5464461320 |
oct | 1556466117 |
9 | 531345288 |
10 | 230321231 |
11 | 109012828 |
12 | 651738bb |
13 | 3894256a |
14 | 22836447 |
15 | 153484db |
hex | dba6c4f |
230321231 has 32 divisors (see below), whose sum is σ = 278691840. Its totient is φ = 186278400.
The previous prime is 230321213. The next prime is 230321239. The reversal of 230321231 is 132123032.
It is not a de Polignac number, because 230321231 - 214 = 230304847 is a prime.
It is a super-2 number, since 2×2303212312 = 106095738898710722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230321239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1813490 + ... + 1813616.
It is an arithmetic number, because the mean of its divisors is an integer number (8709120).
Almost surely, 2230321231 is an apocalyptic number.
230321231 is a deficient number, since it is larger than the sum of its proper divisors (48370609).
230321231 is a wasteful number, since it uses less digits than its factorization.
230321231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 230321231 is about 15176.3378652427. The cubic root of 230321231 is about 612.9776751883.
Adding to 230321231 its reverse (132123032), we get a palindrome (362444263).
The spelling of 230321231 in words is "two hundred thirty million, three hundred twenty-one thousand, two hundred thirty-one".
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