Base | Representation |
---|---|
bin | 1111010001001000010 |
3 | 221102021021 |
4 | 1322021002 |
5 | 112002130 |
6 | 14420054 |
7 | 4152400 |
oct | 1721102 |
9 | 842237 |
10 | 500290 |
11 | 31196a |
12 | 20162a |
13 | 14693b |
14 | d0470 |
15 | 9d37a |
hex | 7a242 |
500290 has 24 divisors (see below), whose sum is σ = 1048572. Its totient is φ = 171360.
The previous prime is 500287. The next prime is 500299. The reversal of 500290 is 92005.
It can be written as a sum of positive squares in 2 ways, for example, as 499849 + 441 = 707^2 + 21^2 .
It is not an unprimeable number, because it can be changed into a prime (500299) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21 + ... + 1000.
2500290 is an apocalyptic number.
500290 is an abundant number, since it is smaller than the sum of its proper divisors (548282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
500290 is a wasteful number, since it uses less digits than its factorization.
500290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042 (or 1035 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 500290 is about 707.3118124279. The cubic root of 500290 is about 79.3853945095.
Adding to 500290 its reverse (92005), we get a palindrome (592295).
The spelling of 500290 in words is "five hundred thousand, two hundred ninety".
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