Base | Representation |
---|---|
bin | 11101001110000… |
… | …100000011000111 |
3 | 1021011110001110110 |
4 | 131032010003013 |
5 | 2000444211423 |
6 | 120351124103 |
7 | 15101564631 |
oct | 3516040307 |
9 | 1234401413 |
10 | 490225863 |
11 | 2317a0a46 |
12 | 118213633 |
13 | 7a74229a |
14 | 4916da51 |
15 | 2d087193 |
hex | 1d3840c7 |
490225863 has 8 divisors (see below), whose sum is σ = 654206976. Its totient is φ = 326531000.
The previous prime is 490225861. The next prime is 490225871. The reversal of 490225863 is 368522094.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 490225863 - 21 = 490225861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490225861) 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 7 ways as a sum of consecutive naturals, for example, 67533 + ... + 74438.
It is an arithmetic number, because the mean of its divisors is an integer number (81775872).
Almost surely, 2490225863 is an apocalyptic number.
490225863 is a deficient number, since it is larger than the sum of its proper divisors (163981113).
490225863 is a wasteful number, since it uses less digits than its factorization.
490225863 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143125.
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 490225863 is about 22141.0447585474. The cubic root of 490225863 is about 788.4946299535.
The spelling of 490225863 in words is "four hundred ninety million, two hundred twenty-five thousand, eight hundred sixty-three".
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