Base | Representation |
---|---|
bin | 1001100011001… |
… | …0110111111111 |
3 | 2210100222010112 |
4 | 2120302313333 |
5 | 40223214041 |
6 | 3550300235 |
7 | 664312205 |
oct | 230626777 |
9 | 83328115 |
10 | 40054271 |
11 | 20678404 |
12 | 114b767b |
13 | 83b546a |
14 | 5469075 |
15 | 37b2deb |
hex | 2632dff |
40054271 has 2 divisors, whose sum is σ = 40054272. Its totient is φ = 40054270.
The previous prime is 40054243. The next prime is 40054283. The reversal of 40054271 is 17245004.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 40054271 - 26 = 40054207 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40054211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20027135 + 20027136.
It is an arithmetic number, because the mean of its divisors is an integer number (20027136).
Almost surely, 240054271 is an apocalyptic number.
40054271 is a deficient number, since it is larger than the sum of its proper divisors (1).
40054271 is an equidigital number, since it uses as much as digits as its factorization.
40054271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1120, while the sum is 23.
The square root of 40054271 is about 6328.8443652850. The cubic root of 40054271 is about 342.1497896115.
Adding to 40054271 its reverse (17245004), we get a palindrome (57299275).
The spelling of 40054271 in words is "forty million, fifty-four thousand, two hundred seventy-one".
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