Base | Representation |
---|---|
bin | 11100111110001… |
… | …01100000011001 |
3 | 121221022012112122 |
4 | 32133011200121 |
5 | 444203430131 |
6 | 40040551025 |
7 | 6010502252 |
oct | 1637054031 |
9 | 557265478 |
10 | 243030041 |
11 | 115203081 |
12 | 69482475 |
13 | 3b472077 |
14 | 243c3b29 |
15 | 16508d7b |
hex | e7c5819 |
243030041 has 2 divisors, whose sum is σ = 243030042. Its totient is φ = 243030040.
The previous prime is 243030037. The next prime is 243030071. The reversal of 243030041 is 140030342.
243030041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 194323600 + 48706441 = 13940^2 + 6979^2 .
It is a cyclic number.
It is not a de Polignac number, because 243030041 - 22 = 243030037 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (243030031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121515020 + 121515021.
It is an arithmetic number, because the mean of its divisors is an integer number (121515021).
Almost surely, 2243030041 is an apocalyptic number.
It is an amenable number.
243030041 is a deficient number, since it is larger than the sum of its proper divisors (1).
243030041 is an equidigital number, since it uses as much as digits as its factorization.
243030041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 243030041 is about 15589.4208038657. The cubic root of 243030041 is about 624.0508609992.
Adding to 243030041 its reverse (140030342), we get a palindrome (383060383).
The spelling of 243030041 in words is "two hundred forty-three million, thirty thousand, forty-one".
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