Base | Representation |
---|---|
bin | 1110111011101001010 |
3 | 220212011212 |
4 | 1313131022 |
5 | 111124130 |
6 | 14253122 |
7 | 4105334 |
oct | 1673512 |
9 | 825155 |
10 | 489290 |
11 | 30467a |
12 | 1b71a2 |
13 | 141929 |
14 | ca454 |
15 | 99e95 |
hex | 7774a |
489290 has 16 divisors (see below), whose sum is σ = 890568. Its totient is φ = 193536.
The previous prime is 489283. The next prime is 489299. The reversal of 489290 is 92984.
It can be written as a sum of positive squares in 4 ways, for example, as 137641 + 351649 = 371^2 + 593^2 .
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489290.
It is not an unprimeable number, because it can be changed into a prime (489299) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914 + ... + 1346.
2489290 is an apocalyptic number.
489290 is a deficient number, since it is larger than the sum of its proper divisors (401278).
489290 is a wasteful number, since it uses less digits than its factorization.
489290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 553.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 489290 is about 699.4926732997. The cubic root of 489290 is about 78.7992553203.
The spelling of 489290 in words is "four hundred eighty-nine thousand, two hundred ninety".
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