Base | Representation |
---|---|
bin | 11011011110100… |
… | …10011110010011 |
3 | 121001201121220001 |
4 | 31233102132103 |
5 | 433002001433 |
6 | 34512230431 |
7 | 5466135241 |
oct | 1557223623 |
9 | 531647801 |
10 | 230500243 |
11 | 109125276 |
12 | 6523b417 |
13 | 389a5b9c |
14 | 22881791 |
15 | 1538157d |
hex | dbd2793 |
230500243 has 2 divisors, whose sum is σ = 230500244. Its totient is φ = 230500242.
The previous prime is 230500223. The next prime is 230500271. The reversal of 230500243 is 342005032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230500243 - 213 = 230492051 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230500243.
It is not a weakly prime, because it can be changed into another prime (230500223) 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 as a sum of consecutive naturals, namely, 115250121 + 115250122.
It is an arithmetic number, because the mean of its divisors is an integer number (115250122).
Almost surely, 2230500243 is an apocalyptic number.
230500243 is a deficient number, since it is larger than the sum of its proper divisors (1).
230500243 is an equidigital number, since it uses as much as digits as its factorization.
230500243 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 230500243 is about 15182.2344534657. The cubic root of 230500243 is about 613.1364417696.
Adding to 230500243 its reverse (342005032), we get a palindrome (572505275).
The spelling of 230500243 in words is "two hundred thirty million, five hundred thousand, two hundred forty-three".
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