Base | Representation |
---|---|
bin | 1110111101100101100 |
3 | 220220112200 |
4 | 1313230230 |
5 | 111142114 |
6 | 14301500 |
7 | 4111254 |
oct | 1675454 |
9 | 826480 |
10 | 490284 |
11 | 3053a3 |
12 | 1b7890 |
13 | 142212 |
14 | ca964 |
15 | 9a409 |
hex | 77b2c |
490284 has 18 divisors (see below), whose sum is σ = 1239420. Its totient is φ = 163416.
The previous prime is 490283. The next prime is 490309. The reversal of 490284 is 482094.
It is a tau number, because it is divible by the number of its divisors (18).
It is a nialpdrome in base 14.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490284.
It is not an unprimeable number, because it can be changed into a prime (490283) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6774 + ... + 6845.
2490284 is an apocalyptic number.
It is an amenable number.
490284 is an abundant number, since it is smaller than the sum of its proper divisors (749136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490284 is a wasteful number, since it uses less digits than its factorization.
490284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13629 (or 13624 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 490284 is about 700.2028277578. The cubic root of 490284 is about 78.8525798512.
The spelling of 490284 in words is "four hundred ninety thousand, two hundred eighty-four".
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