Base | Representation |
---|---|
bin | 11011011110001… |
… | …00110000111001 |
3 | 121001121202212021 |
4 | 31233010300321 |
5 | 432443202324 |
6 | 34511114441 |
7 | 5465512441 |
oct | 1557046071 |
9 | 531552767 |
10 | 230444089 |
11 | 109097067 |
12 | 65212a21 |
13 | 38986465 |
14 | 22869121 |
15 | 1536eae4 |
hex | dbc4c39 |
230444089 has 2 divisors, whose sum is σ = 230444090. Its totient is φ = 230444088.
The previous prime is 230444087. The next prime is 230444119. The reversal of 230444089 is 980444032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 208513600 + 21930489 = 14440^2 + 4683^2 .
It is a cyclic number.
It is not a de Polignac number, because 230444089 - 21 = 230444087 is a prime.
Together with 230444087, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (230444083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115222044 + 115222045.
It is an arithmetic number, because the mean of its divisors is an integer number (115222045).
Almost surely, 2230444089 is an apocalyptic number.
It is an amenable number.
230444089 is a deficient number, since it is larger than the sum of its proper divisors (1).
230444089 is an equidigital number, since it uses as much as digits as its factorization.
230444089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27648, while the sum is 34.
The square root of 230444089 is about 15180.3850082928. The cubic root of 230444089 is about 613.0866473752.
The spelling of 230444089 in words is "two hundred thirty million, four hundred forty-four thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •