Base | Representation |
---|---|
bin | 11101011000110… |
… | …101001010101001 |
3 | 1021100202110101011 |
4 | 131120311022221 |
5 | 2002210022424 |
6 | 120531423521 |
7 | 15134562103 |
oct | 3530651251 |
9 | 1240673334 |
10 | 493048489 |
11 | 23334969a |
12 | 119154ba1 |
13 | 7b1bcc8b |
14 | 496a6573 |
15 | 2d443694 |
hex | 1d6352a9 |
493048489 has 2 divisors, whose sum is σ = 493048490. Its totient is φ = 493048488.
The previous prime is 493048481. The next prime is 493048531. The reversal of 493048489 is 984840394.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 276723225 + 216325264 = 16635^2 + 14708^2 .
It is a cyclic number.
It is not a de Polignac number, because 493048489 - 23 = 493048481 is a prime.
It is not a weakly prime, because it can be changed into another prime (493048481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246524244 + 246524245.
It is an arithmetic number, because the mean of its divisors is an integer number (246524245).
Almost surely, 2493048489 is an apocalyptic number.
It is an amenable number.
493048489 is a deficient number, since it is larger than the sum of its proper divisors (1).
493048489 is an equidigital number, since it uses as much as digits as its factorization.
493048489 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 995328, while the sum is 49.
The square root of 493048489 is about 22204.6952016910. The cubic root of 493048489 is about 790.0050680655.
The spelling of 493048489 in words is "four hundred ninety-three million, forty-eight thousand, four hundred eighty-nine".
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