Base | Representation |
---|---|
bin | 11101011001101… |
… | …110111000011101 |
3 | 1021101012110122212 |
4 | 131121232320131 |
5 | 2002240104033 |
6 | 120540450205 |
7 | 15136565243 |
oct | 3531567035 |
9 | 1241173585 |
10 | 493284893 |
11 | 2334a0272 |
12 | 119249965 |
13 | 7b27376a |
14 | 49728793 |
15 | 2d48d748 |
hex | 1d66ee1d |
493284893 has 2 divisors, whose sum is σ = 493284894. Its totient is φ = 493284892.
The previous prime is 493284839. The next prime is 493284901. The reversal of 493284893 is 398482394.
Together with previous prime (493284839) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 311628409 + 181656484 = 17653^2 + 13478^2 .
It is a cyclic number.
It is not a de Polignac number, because 493284893 - 26 = 493284829 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (493284193) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246642446 + 246642447.
It is an arithmetic number, because the mean of its divisors is an integer number (246642447).
Almost surely, 2493284893 is an apocalyptic number.
It is an amenable number.
493284893 is a deficient number, since it is larger than the sum of its proper divisors (1).
493284893 is an equidigital number, since it uses as much as digits as its factorization.
493284893 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1492992, while the sum is 50.
The square root of 493284893 is about 22210.0178523116. The cubic root of 493284893 is about 790.1313102245.
The spelling of 493284893 in words is "four hundred ninety-three million, two hundred eighty-four thousand, eight hundred ninety-three".
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