Base | Representation |
---|---|
bin | 11011011111010… |
… | …00110011111011 |
3 | 121001220021101210 |
4 | 31233220303323 |
5 | 433012413424 |
6 | 34514214203 |
7 | 5466666060 |
oct | 1557506373 |
9 | 531807353 |
10 | 230591739 |
11 | 109187a94 |
12 | 65284363 |
13 | 38a08721 |
14 | 228a6c67 |
15 | 1539d729 |
hex | dbe8cfb |
230591739 has 16 divisors (see below), whose sum is σ = 352154880. Its totient is φ = 131475360.
The previous prime is 230591717. The next prime is 230591747. The reversal of 230591739 is 937195032.
It is not a de Polignac number, because 230591739 - 25 = 230591707 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 230591697 and 230591706.
It is not an unprimeable number, because it can be changed into a prime (230591759) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229 + ... + 21590.
It is an arithmetic number, because the mean of its divisors is an integer number (22009680).
Almost surely, 2230591739 is an apocalyptic number.
230591739 is a deficient number, since it is larger than the sum of its proper divisors (121563141).
230591739 is a wasteful number, since it uses less digits than its factorization.
230591739 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24290.
The product of its (nonzero) digits is 51030, while the sum is 39.
The square root of 230591739 is about 15185.2474131968. The cubic root of 230591739 is about 613.2175582578.
The spelling of 230591739 in words is "two hundred thirty million, five hundred ninety-one thousand, seven hundred thirty-nine".
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