Base | Representation |
---|---|
bin | 11101001110100… |
… | …000100101000101 |
3 | 1021011122222202200 |
4 | 131032200211011 |
5 | 2001011431400 |
6 | 120353425113 |
7 | 15102562425 |
oct | 3516404505 |
9 | 1234588680 |
10 | 490342725 |
11 | 231870824 |
12 | 11826b199 |
13 | 7a783532 |
14 | 491a0485 |
15 | 2d0abb00 |
hex | 1d3a0945 |
490342725 has 18 divisors (see below), whose sum is σ = 878258706. Its totient is φ = 261516000.
The previous prime is 490342693. The next prime is 490342729. The reversal of 490342725 is 527243094.
It can be written as a sum of positive squares in 3 ways, for example, as 30276 + 490312449 = 174^2 + 22143^2 .
It is not a de Polignac number, because 490342725 - 25 = 490342693 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 490342725.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490342729) 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 17 ways as a sum of consecutive naturals, for example, 1089426 + ... + 1089875.
Almost surely, 2490342725 is an apocalyptic number.
490342725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
490342725 is a deficient number, since it is larger than the sum of its proper divisors (387915981).
490342725 is a wasteful number, since it uses less digits than its factorization.
490342725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2179317 (or 2179309 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 490342725 is about 22143.6836366491. The cubic root of 490342725 is about 788.5572798090.
The spelling of 490342725 in words is "four hundred ninety million, three hundred forty-two thousand, seven hundred twenty-five".
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