Base | Representation |
---|---|
bin | 11101001110010… |
… | …111110110000101 |
3 | 1021011121011200122 |
4 | 131032113312011 |
5 | 2001004310244 |
6 | 120352551325 |
7 | 15102353216 |
oct | 3516276605 |
9 | 1234534618 |
10 | 490306949 |
11 | 231846960 |
12 | 118252545 |
13 | 7a770172 |
14 | 4919140d |
15 | 2d0a11ee |
hex | 1d397d85 |
490306949 has 8 divisors (see below), whose sum is σ = 535232448. Its totient is φ = 445440160.
The previous prime is 490306907. The next prime is 490306969. The reversal of 490306949 is 949603094.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 490306949 - 28 = 490306693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490306969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809 + ... + 31545.
It is an arithmetic number, because the mean of its divisors is an integer number (66904056).
Almost surely, 2490306949 is an apocalyptic number.
It is an amenable number.
490306949 is a deficient number, since it is larger than the sum of its proper divisors (44925499).
490306949 is a wasteful number, since it uses less digits than its factorization.
490306949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29355.
The product of its (nonzero) digits is 209952, while the sum is 44.
The square root of 490306949 is about 22142.8758069046. The cubic root of 490306949 is about 788.5381013107.
The spelling of 490306949 in words is "four hundred ninety million, three hundred six thousand, nine hundred forty-nine".
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