Base | Representation |
---|---|
bin | 11011100010110… |
… | …11011000110001 |
3 | 121002210010011100 |
4 | 31301123120301 |
5 | 433122423131 |
6 | 34532235013 |
7 | 5503662231 |
oct | 1561333061 |
9 | 532703140 |
10 | 231061041 |
11 | 109478642 |
12 | 6546ba69 |
13 | 38b41213 |
14 | 22989cc1 |
15 | 154427e6 |
hex | dc5b631 |
231061041 has 12 divisors (see below), whose sum is σ = 342775732. Its totient is φ = 149877216.
The previous prime is 231061027. The next prime is 231061057. The reversal of 231061041 is 140160132.
It is a happy number.
231061041 is a `hidden beast` number, since 2 + 3 + 10 + 610 + 41 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 132158016 + 98903025 = 11496^2 + 9945^2 .
It is not a de Polignac number, because 231061041 - 210 = 231060017 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (231061021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346606 + ... + 347271.
Almost surely, 2231061041 is an apocalyptic number.
It is an amenable number.
231061041 is a deficient number, since it is larger than the sum of its proper divisors (111714691).
231061041 is a wasteful number, since it uses less digits than its factorization.
231061041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 693920 (or 693917 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 231061041 is about 15200.6921224002. The cubic root of 231061041 is about 613.6332846475.
Subtracting from 231061041 its reverse (140160132), we obtain a palindrome (90900909).
The spelling of 231061041 in words is "two hundred thirty-one million, sixty-one thousand, forty-one".
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