Base | Representation |
---|---|
bin | 1110111110110001101 |
3 | 220221101020 |
4 | 1313312031 |
5 | 111202033 |
6 | 14304353 |
7 | 4113114 |
oct | 1676615 |
9 | 827336 |
10 | 490893 |
11 | 3058a7 |
12 | 1b80b9 |
13 | 142590 |
14 | cac7b |
15 | 9a6b3 |
hex | 77d8d |
490893 has 16 divisors (see below), whose sum is σ = 724416. Its totient is φ = 293760.
The previous prime is 490891. The next prime is 490913. The reversal of 490893 is 398094.
490893 is nontrivially palindromic in base 7.
It is not a de Polignac number, because 490893 - 21 = 490891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490891) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 1752.
It is an arithmetic number, because the mean of its divisors is an integer number (45276).
2490893 is an apocalyptic number.
It is an amenable number.
490893 is a deficient number, since it is larger than the sum of its proper divisors (233523).
490893 is a wasteful number, since it uses less digits than its factorization.
490893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 490893 is about 700.6375667918. The cubic root of 490893 is about 78.8852149170.
The spelling of 490893 in words is "four hundred ninety thousand, eight hundred ninety-three".
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