Base | Representation |
---|---|
bin | 1110111100110110100 |
3 | 220220000202 |
4 | 1313212310 |
5 | 111134113 |
6 | 14300032 |
7 | 4110206 |
oct | 1674664 |
9 | 826022 |
10 | 489908 |
11 | 305091 |
12 | 1b7618 |
13 | 141cb3 |
14 | ca776 |
15 | 9a258 |
hex | 779b4 |
489908 has 6 divisors (see below), whose sum is σ = 857346. Its totient is φ = 244952.
The previous prime is 489901. The next prime is 489911. The reversal of 489908 is 809984.
It can be written as a sum of positive squares in only one way, i.e., 487204 + 2704 = 698^2 + 52^2 .
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489901) by changing a digit.
489908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61235 + ... + 61242.
It is an arithmetic number, because the mean of its divisors is an integer number (142891).
2489908 is an apocalyptic number.
It is an amenable number.
489908 is a deficient number, since it is larger than the sum of its proper divisors (367438).
489908 is a wasteful number, since it uses less digits than its factorization.
489908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122481 (or 122479 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 489908 is about 699.9342826294. The cubic root of 489908 is about 78.8324172839.
The spelling of 489908 in words is "four hundred eighty-nine thousand, nine hundred eight".
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