Base | Representation |
---|---|
bin | 11101001011101… |
… | …110110101011111 |
3 | 1021010022000002022 |
4 | 131023232311133 |
5 | 2000320132222 |
6 | 120330050355 |
7 | 15063441032 |
oct | 3513566537 |
9 | 1233260068 |
10 | 489614687 |
11 | 231413841 |
12 | 117b799bb |
13 | 7a58a043 |
14 | 49051019 |
15 | 2ceb6042 |
hex | 1d2eed5f |
489614687 has 2 divisors, whose sum is σ = 489614688. Its totient is φ = 489614686.
The previous prime is 489614669. The next prime is 489614693. The reversal of 489614687 is 786416984.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 489614687 - 26 = 489614623 is a prime.
It is a super-2 number, since 2×4896146872 = 479445083452215938, 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 (489614617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244807343 + 244807344.
It is an arithmetic number, because the mean of its divisors is an integer number (244807344).
Almost surely, 2489614687 is an apocalyptic number.
489614687 is a deficient number, since it is larger than the sum of its proper divisors (1).
489614687 is an equidigital number, since it uses as much as digits as its factorization.
489614687 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2322432, while the sum is 53.
The square root of 489614687 is about 22127.2385760176. The cubic root of 489614687 is about 788.1668154785.
The spelling of 489614687 in words is "four hundred eighty-nine million, six hundred fourteen thousand, six hundred eighty-seven".
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