Base | Representation |
---|---|
bin | 1001000111100110011001 |
3 | 11111110001021 |
4 | 21013212121 |
5 | 1102443200 |
6 | 123122441 |
7 | 26214112 |
oct | 11074631 |
9 | 4443037 |
10 | 2390425 |
11 | 1392a64 |
12 | 973421 |
13 | 65906b |
14 | 463209 |
15 | 32341a |
hex | 247999 |
2390425 has 6 divisors (see below), whose sum is σ = 2964158. Its totient is φ = 1912320.
The previous prime is 2390417. The next prime is 2390429. The reversal of 2390425 is 5240932.
It is a happy number.
2390425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 21904 + 2368521 = 148^2 + 1539^2 .
It is not a de Polignac number, because 2390425 - 23 = 2390417 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 95617 = 2390425 / (2 + 3 + 9 + 0 + 4 + 2 + 5).
It is a Duffinian number.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 2390425.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2390429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47784 + ... + 47833.
22390425 is an apocalyptic number.
2390425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2390425 is a deficient number, since it is larger than the sum of its proper divisors (573733).
2390425 is an equidigital number, since it uses as much as digits as its factorization.
2390425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95627 (or 95622 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 2390425 is about 1546.0999320872. The cubic root of 2390425 is about 133.7083021383.
The spelling of 2390425 in words is "two million, three hundred ninety thousand, four hundred twenty-five".
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