Base | Representation |
---|---|
bin | 1110111101101000111 |
3 | 220220120200 |
4 | 1313231013 |
5 | 111142221 |
6 | 14301543 |
7 | 4111323 |
oct | 1675507 |
9 | 826520 |
10 | 490311 |
11 | 305418 |
12 | 1b78b3 |
13 | 142233 |
14 | ca983 |
15 | 9a426 |
hex | 77b47 |
490311 has 12 divisors (see below), whose sum is σ = 714792. Its totient is φ = 323856.
The previous prime is 490309. The next prime is 490313. The reversal of 490311 is 113094.
It is an interprime number because it is at equal distance from previous prime (490309) and next prime (490313).
It is not a de Polignac number, because 490311 - 21 = 490309 is a prime.
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490313) 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 11 ways as a sum of consecutive naturals, for example, 1240 + ... + 1586.
It is an arithmetic number, because the mean of its divisors is an integer number (59566).
2490311 is an apocalyptic number.
490311 is a deficient number, since it is larger than the sum of its proper divisors (224481).
490311 is a wasteful number, since it uses less digits than its factorization.
490311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 510 (or 507 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 490311 is about 700.2221076201. Note that the first 3 decimals coincide. The cubic root of 490311 is about 78.8540272984.
The spelling of 490311 in words is "four hundred ninety thousand, three hundred eleven".
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