Base | Representation |
---|---|
bin | 11011100011100… |
… | …01100110101001 |
3 | 121002221201222201 |
4 | 31301301212221 |
5 | 433133331131 |
6 | 34534220201 |
7 | 5504521441 |
oct | 1561614651 |
9 | 532851881 |
10 | 231152041 |
11 | 10952aa4a |
12 | 654b4661 |
13 | 38b73773 |
14 | 229b1121 |
15 | 1545e761 |
hex | dc719a9 |
231152041 has 2 divisors, whose sum is σ = 231152042. Its totient is φ = 231152040.
The previous prime is 231152021. The next prime is 231152071. The reversal of 231152041 is 140251132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 227557225 + 3594816 = 15085^2 + 1896^2 .
It is a cyclic number.
It is not a de Polignac number, because 231152041 - 211 = 231149993 is a prime.
It is not a weakly prime, because it can be changed into another prime (231152021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115576020 + 115576021.
It is an arithmetic number, because the mean of its divisors is an integer number (115576021).
Almost surely, 2231152041 is an apocalyptic number.
It is an amenable number.
231152041 is a deficient number, since it is larger than the sum of its proper divisors (1).
231152041 is an equidigital number, since it uses as much as digits as its factorization.
231152041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 231152041 is about 15203.6851124982. The cubic root of 231152041 is about 613.7138308956.
Subtracting from 231152041 its reverse (140251132), we obtain a palindrome (90900909).
The spelling of 231152041 in words is "two hundred thirty-one million, one hundred fifty-two thousand, forty-one".
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