Base | Representation |
---|---|
bin | 11101001101011… |
… | …100100011111101 |
3 | 1021011010211121011 |
4 | 131031130203331 |
5 | 2000424023000 |
6 | 120343435221 |
7 | 15100322245 |
oct | 3515344375 |
9 | 1234124534 |
10 | 490064125 |
11 | 2316a0481 |
12 | 118155b11 |
13 | 7a6b6795 |
14 | 4912ab25 |
15 | 2d0542ba |
hex | 1d35c8fd |
490064125 has 8 divisors (see below), whose sum is σ = 611600184. Its totient is φ = 392051200.
The previous prime is 490064123. The next prime is 490064137. The reversal of 490064125 is 521460094.
It can be written as a sum of positive squares in 4 ways, for example, as 83557881 + 406506244 = 9141^2 + 20162^2 .
It is not a de Polignac number, because 490064125 - 21 = 490064123 is a prime.
It is a super-2 number, since 2×4900641252 = 480325693224031250, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490064123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960132 + ... + 1960381.
It is an arithmetic number, because the mean of its divisors is an integer number (76450023).
Almost surely, 2490064125 is an apocalyptic number.
490064125 is the 15654-th centered square number.
It is an amenable number.
490064125 is a deficient number, since it is larger than the sum of its proper divisors (121536059).
490064125 is an equidigital number, since it uses as much as digits as its factorization.
490064125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3920528 (or 3920518 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 490064125 is about 22137.3920099004. The cubic root of 490064125 is about 788.4079055939.
The spelling of 490064125 in words is "four hundred ninety million, sixty-four thousand, one hundred twenty-five".
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