Base | Representation |
---|---|
bin | 101100011001… |
… | …1111001011001 |
3 | 1121210210212012 |
4 | 1120303321121 |
5 | 21424444431 |
6 | 2150555305 |
7 | 401613224 |
oct | 130637131 |
9 | 47723765 |
10 | 23281241 |
11 | 121615a5 |
12 | 7968b35 |
13 | 4a91aa9 |
14 | 31405bb |
15 | 209d22b |
hex | 1633e59 |
23281241 has 2 divisors, whose sum is σ = 23281242. Its totient is φ = 23281240.
The previous prime is 23281231. The next prime is 23281301. The reversal of 23281241 is 14218232.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23232400 + 48841 = 4820^2 + 221^2 .
It is a cyclic number.
It is not a de Polignac number, because 23281241 - 210 = 23280217 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (23281231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640620 + 11640621.
It is an arithmetic number, because the mean of its divisors is an integer number (11640621).
Almost surely, 223281241 is an apocalyptic number.
It is an amenable number.
23281241 is a deficient number, since it is larger than the sum of its proper divisors (1).
23281241 is an equidigital number, since it uses as much as digits as its factorization.
23281241 is an evil number, because the sum of its binary digits is even.
The product of its digits is 768, while the sum is 23.
The square root of 23281241 is about 4825.0638337746. The cubic root of 23281241 is about 285.5411530018.
Adding to 23281241 its reverse (14218232), we get a palindrome (37499473).
The spelling of 23281241 in words is "twenty-three million, two hundred eighty-one thousand, two hundred forty-one".
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