Base | Representation |
---|---|
bin | 11011100010100… |
… | …00101111100001 |
3 | 121002200220100112 |
4 | 31301100233201 |
5 | 433120024231 |
6 | 34531301105 |
7 | 5503421144 |
oct | 1561205741 |
9 | 532626315 |
10 | 231017441 |
11 | 109448906 |
12 | 6544a795 |
13 | 38b27415 |
14 | 2297805b |
15 | 1543492b |
hex | dc50be1 |
231017441 has 2 divisors, whose sum is σ = 231017442. Its totient is φ = 231017440.
The previous prime is 231017429. The next prime is 231017459. The reversal of 231017441 is 144710132.
It is a happy number.
231017441 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., 157126225 + 73891216 = 12535^2 + 8596^2 .
It is a cyclic number.
It is not a de Polignac number, because 231017441 - 26 = 231017377 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (231017491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115508720 + 115508721.
It is an arithmetic number, because the mean of its divisors is an integer number (115508721).
Almost surely, 2231017441 is an apocalyptic number.
It is an amenable number.
231017441 is a deficient number, since it is larger than the sum of its proper divisors (1).
231017441 is an equidigital number, since it uses as much as digits as its factorization.
231017441 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 231017441 is about 15199.2579095165. The cubic root of 231017441 is about 613.5946857646.
Adding to 231017441 its reverse (144710132), we get a palindrome (375727573).
The spelling of 231017441 in words is "two hundred thirty-one million, seventeen thousand, four hundred forty-one".
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