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455355431 is a prime number
BaseRepresentation
bin11011001001000…
…010110000100111
31011201211110012222
4123021002300213
51413032333211
6113103502555
714166312566
oct3311026047
91151743188
10455355431
11214044303
121085b7a5b
13734534ab
1444693bdd
1529e9a1db
hex1b242c27

455355431 has 2 divisors, whose sum is σ = 455355432. Its totient is φ = 455355430.

The previous prime is 455355413. The next prime is 455355437. The reversal of 455355431 is 134553554.

Together with previous prime (455355413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455355431 - 210 = 455354407 is a prime.

It is a super-2 number, since 2×4553554312 = 414697137082391522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 455355391 and 455355400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455355437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227677715 + 227677716.

It is an arithmetic number, because the mean of its divisors is an integer number (227677716).

Almost surely, 2455355431 is an apocalyptic number.

455355431 is a deficient number, since it is larger than the sum of its proper divisors (1).

455355431 is an equidigital number, since it uses as much as digits as its factorization.

455355431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 35.

The square root of 455355431 is about 21339.0588124219. The cubic root of 455355431 is about 769.3373908379.

The spelling of 455355431 in words is "four hundred fifty-five million, three hundred fifty-five thousand, four hundred thirty-one".