Base | Representation |
---|---|
bin | 11101001011101… |
… | …110110101100101 |
3 | 1021010022000002112 |
4 | 131023232311211 |
5 | 2000320132233 |
6 | 120330050405 |
7 | 15063441041 |
oct | 3513566545 |
9 | 1233260075 |
10 | 489614693 |
11 | 231413847 |
12 | 117b79a05 |
13 | 7a58a049 |
14 | 49051021 |
15 | 2ceb6048 |
hex | 1d2eed65 |
489614693 has 2 divisors, whose sum is σ = 489614694. Its totient is φ = 489614692.
The previous prime is 489614687. The next prime is 489614729. The reversal of 489614693 is 396416984.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 455310244 + 34304449 = 21338^2 + 5857^2 .
It is a cyclic number.
It is not a de Polignac number, because 489614693 - 216 = 489549157 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (489614623) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244807346 + 244807347.
It is an arithmetic number, because the mean of its divisors is an integer number (244807347).
Almost surely, 2489614693 is an apocalyptic number.
It is an amenable number.
489614693 is a deficient number, since it is larger than the sum of its proper divisors (1).
489614693 is an equidigital number, since it uses as much as digits as its factorization.
489614693 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1119744, while the sum is 50.
The square root of 489614693 is about 22127.2387115971. The cubic root of 489614693 is about 788.1668186980.
The spelling of 489614693 in words is "four hundred eighty-nine million, six hundred fourteen thousand, six hundred ninety-three".
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