Base | Representation |
---|---|
bin | 11011011110111… |
… | …00101110011101 |
3 | 121001210202111101 |
4 | 31233130232131 |
5 | 433004322422 |
6 | 34513153101 |
7 | 5466401542 |
oct | 1557345635 |
9 | 531722441 |
10 | 230542237 |
11 | 109153882 |
12 | 6525b791 |
13 | 389bc033 |
14 | 22892bc9 |
15 | 1538dc27 |
hex | dbdcb9d |
230542237 has 2 divisors, whose sum is σ = 230542238. Its totient is φ = 230542236.
The previous prime is 230542223. The next prime is 230542259. The reversal of 230542237 is 732245032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 201100761 + 29441476 = 14181^2 + 5426^2 .
It is a cyclic number.
It is not a de Polignac number, because 230542237 - 215 = 230509469 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230542337) 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 as a sum of consecutive naturals, namely, 115271118 + 115271119.
It is an arithmetic number, because the mean of its divisors is an integer number (115271119).
Almost surely, 2230542237 is an apocalyptic number.
It is an amenable number.
230542237 is a deficient number, since it is larger than the sum of its proper divisors (1).
230542237 is an equidigital number, since it uses as much as digits as its factorization.
230542237 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10080, while the sum is 28.
The square root of 230542237 is about 15183.6173884882. The cubic root of 230542237 is about 613.1736745406.
Adding to 230542237 its reverse (732245032), we get a palindrome (962787269).
The spelling of 230542237 in words is "two hundred thirty million, five hundred forty-two thousand, two hundred thirty-seven".
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