Base | Representation |
---|---|
bin | 1110111100110100100 |
3 | 220220000011 |
4 | 1313212210 |
5 | 111134032 |
6 | 14300004 |
7 | 4110154 |
oct | 1674644 |
9 | 826004 |
10 | 489892 |
11 | 305077 |
12 | 1b7604 |
13 | 141ca0 |
14 | ca764 |
15 | 9a247 |
hex | 779a4 |
489892 has 12 divisors (see below), whose sum is σ = 923356. Its totient is φ = 226080.
The previous prime is 489887. The next prime is 489901. The reversal of 489892 is 298984.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 376996 = 336^2 + 614^2 .
It is a nialpdrome in base 14.
It is an unprimeable number.
489892 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4659 + ... + 4762.
2489892 is an apocalyptic number.
It is an amenable number.
489892 is a deficient number, since it is larger than the sum of its proper divisors (433464).
489892 is a wasteful number, since it uses less digits than its factorization.
489892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9438 (or 9436 counting only the distinct ones).
The product of its digits is 41472, while the sum is 40.
The square root of 489892 is about 699.9228528917. The cubic root of 489892 is about 78.8315590735.
The spelling of 489892 in words is "four hundred eighty-nine thousand, eight hundred ninety-two".
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