Base | Representation |
---|---|
bin | 11100101011111… |
… | …101010100111111 |
3 | 1020112121211111122 |
4 | 130223331110333 |
5 | 1441202113224 |
6 | 115431341155 |
7 | 14632600355 |
oct | 3453752477 |
9 | 1215554448 |
10 | 481285439 |
11 | 227744968 |
12 | 1152217bb |
13 | 78931aab |
14 | 47cc37d5 |
15 | 2c3bd15e |
hex | 1cafd53f |
481285439 has 2 divisors, whose sum is σ = 481285440. Its totient is φ = 481285438.
The previous prime is 481285403. The next prime is 481285463. The reversal of 481285439 is 934582184.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 481285439 - 224 = 464508223 is a prime.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 481285439.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (481285489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240642719 + 240642720.
It is an arithmetic number, because the mean of its divisors is an integer number (240642720).
Almost surely, 2481285439 is an apocalyptic number.
481285439 is a deficient number, since it is larger than the sum of its proper divisors (1).
481285439 is an equidigital number, since it uses as much as digits as its factorization.
481285439 is an evil number, because the sum of its binary digits is even.
The product of its digits is 276480, while the sum is 44.
The square root of 481285439 is about 21938.2186833845. The cubic root of 481285439 is about 783.6718390717.
The spelling of 481285439 in words is "four hundred eighty-one million, two hundred eighty-five thousand, four hundred thirty-nine".
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