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455040281 is a prime number
BaseRepresentation
bin11011000111110…
…101110100011001
31011201020102220202
4123013311310121
51412442242111
6113053031545
714163531023
oct3307656431
91151212822
10455040281
11213949553
121084855b5
1373372c07
1444611013
1529e36b3b
hex1b1f5d19

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".