Base | Representation |
---|---|
bin | 11011001000010… |
… | …011111000100111 |
3 | 1011201110200211212 |
4 | 123020103320213 |
5 | 1413010212211 |
6 | 113055422035 |
7 | 14164553042 |
oct | 3310237047 |
9 | 1151420755 |
10 | 455163431 |
11 | 213a23028 |
12 | 10852491b |
13 | 733b6c98 |
14 | 44643c59 |
15 | 29e5d38b |
hex | 1b213e27 |
455163431 has 2 divisors, whose sum is σ = 455163432. Its totient is φ = 455163430.
The previous prime is 455163413. The next prime is 455163437. The reversal of 455163431 is 134361554.
Together with previous prime (455163413) 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 a de Polignac number, because none of the positive numbers 2k-455163431 is a prime.
It is a super-2 number, since 2×4551634312 = 414347497839383522, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (455163437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227581715 + 227581716.
It is an arithmetic number, because the mean of its divisors is an integer number (227581716).
Almost surely, 2455163431 is an apocalyptic number.
455163431 is a deficient number, since it is larger than the sum of its proper divisors (1).
455163431 is an equidigital number, since it uses as much as digits as its factorization.
455163431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 21600, while the sum is 32.
The square root of 455163431 is about 21334.5595454886. The cubic root of 455163431 is about 769.2292456142.
The spelling of 455163431 in words is "four hundred fifty-five million, one hundred sixty-three thousand, four hundred thirty-one".
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