Base | Representation |
---|---|
bin | 1110111110100111010 |
3 | 220221021011 |
4 | 1313310322 |
5 | 111201220 |
6 | 14304134 |
7 | 4112635 |
oct | 1676472 |
9 | 827234 |
10 | 490810 |
11 | 305831 |
12 | 1b804a |
13 | 142528 |
14 | cac1c |
15 | 9a65a |
hex | 77d3a |
490810 has 8 divisors (see below), whose sum is σ = 883476. Its totient is φ = 196320.
The previous prime is 490783. The next prime is 490829. The reversal of 490810 is 18094.
It can be written as a sum of positive squares in 2 ways, for example, as 488601 + 2209 = 699^2 + 47^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×4908102 = 481788912200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24531 + ... + 24550.
2490810 is an apocalyptic number.
490810 is a deficient number, since it is larger than the sum of its proper divisors (392666).
490810 is a wasteful number, since it uses less digits than its factorization.
490810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49088.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 490810 is about 700.5783325225. The cubic root of 490810 is about 78.8807687058.
It can be divided in two parts, 490 and 810, that multiplied together give a square (396900 = 6302).
The spelling of 490810 in words is "four hundred ninety thousand, eight hundred ten".
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