Base | Representation |
---|---|
bin | 1110111110010000110 |
3 | 220221000111 |
4 | 1313302012 |
5 | 111200010 |
6 | 14303234 |
7 | 4112260 |
oct | 1676206 |
9 | 827014 |
10 | 490630 |
11 | 305688 |
12 | 1b7b1a |
13 | 14241a |
14 | cab30 |
15 | 9a58a |
hex | 77c86 |
490630 has 32 divisors (see below), whose sum is σ = 1039104. Its totient is φ = 163296.
The previous prime is 490627. The next prime is 490631. The reversal of 490630 is 36094.
490630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
490630 is a modest number, since divided by 630 gives 490 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490631) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 3091.
It is an arithmetic number, because the mean of its divisors is an integer number (32472).
2490630 is an apocalyptic number.
490630 is an abundant number, since it is smaller than the sum of its proper divisors (548474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490630 is a wasteful number, since it uses less digits than its factorization.
490630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 490630 is about 700.4498554501. The cubic root of 490630 is about 78.8711245975.
The spelling of 490630 in words is "four hundred ninety thousand, six hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •