Base | Representation |
---|---|
bin | 11011000111110… |
… | …101110100011001 |
3 | 1011201020102220202 |
4 | 123013311310121 |
5 | 1412442242111 |
6 | 113053031545 |
7 | 14163531023 |
oct | 3307656431 |
9 | 1151212822 |
10 | 455040281 |
11 | 213949553 |
12 | 1084855b5 |
13 | 73372c07 |
14 | 44611013 |
15 | 29e36b3b |
hex | 1b1f5d19 |
455040281 has 2 divisors, whose sum is σ = 455040282. Its totient is φ = 455040280.
The previous prime is 455040277. The next prime is 455040293. The reversal of 455040281 is 182040554.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 378652681 + 76387600 = 19459^2 + 8740^2 .
It is a cyclic number.
It is not a de Polignac number, because 455040281 - 22 = 455040277 is a prime.
It is a super-2 number, since 2×4550402812 = 414123314665117922, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (455040251) 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, 227520140 + 227520141.
It is an arithmetic number, because the mean of its divisors is an integer number (227520141).
Almost surely, 2455040281 is an apocalyptic number.
It is an amenable number.
455040281 is a deficient number, since it is larger than the sum of its proper divisors (1).
455040281 is an equidigital number, since it uses as much as digits as its factorization.
455040281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6400, while the sum is 29.
The square root of 455040281 is about 21331.6731880085. The cubic root of 455040281 is about 769.1598645817.
The spelling of 455040281 in words is "four hundred fifty-five million, forty thousand, two hundred eighty-one".
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