Base | Representation |
---|---|
bin | 11101001110110… |
… | …101001110011001 |
3 | 1021011211021202200 |
4 | 131032311032121 |
5 | 2001022133124 |
6 | 120355320413 |
7 | 15103364112 |
oct | 3516651631 |
9 | 1234737680 |
10 | 490427289 |
11 | 231919310 |
12 | 1182b0109 |
13 | 7a7b2b81 |
14 | 491c3209 |
15 | 2d0c6bc9 |
hex | 1d3b5399 |
490427289 has 12 divisors (see below), whose sum is σ = 772794672. Its totient is φ = 297228600.
The previous prime is 490427269. The next prime is 490427351. The reversal of 490427289 is 982724094.
It is not a de Polignac number, because 490427289 - 211 = 490425241 is a prime.
It is not an unprimeable number, because it can be changed into a prime (490427219) 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 11 ways as a sum of consecutive naturals, for example, 2476807 + ... + 2477004.
It is an arithmetic number, because the mean of its divisors is an integer number (64399556).
Almost surely, 2490427289 is an apocalyptic number.
It is an amenable number.
490427289 is a deficient number, since it is larger than the sum of its proper divisors (282367383).
490427289 is a wasteful number, since it uses less digits than its factorization.
490427289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4953828 (or 4953825 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 490427289 is about 22145.5929927379. The cubic root of 490427289 is about 788.6026084614.
The spelling of 490427289 in words is "four hundred ninety million, four hundred twenty-seven thousand, two hundred eighty-nine".
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