Base | Representation |
---|---|
bin | 11011011101111… |
… | …11001110110001 |
3 | 121001120121202212 |
4 | 31232333032301 |
5 | 432441441200 |
6 | 34510421505 |
7 | 5465356403 |
oct | 1556771661 |
9 | 531517685 |
10 | 230421425 |
11 | 109081033 |
12 | 65201895 |
13 | 38979050 |
14 | 22860b73 |
15 | 15368035 |
hex | dbbf3b1 |
230421425 has 12 divisors (see below), whose sum is σ = 307701660. Its totient is φ = 170157120.
The previous prime is 230421421. The next prime is 230421437. The reversal of 230421425 is 524124032.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 565504 + 229855921 = 752^2 + 15161^2 .
It is not a de Polignac number, because 230421425 - 22 = 230421421 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230421425.
It is not an unprimeable number, because it can be changed into a prime (230421421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354170 + ... + 354819.
It is an arithmetic number, because the mean of its divisors is an integer number (25641805).
Almost surely, 2230421425 is an apocalyptic number.
230421425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
230421425 is a deficient number, since it is larger than the sum of its proper divisors (77280235).
230421425 is a wasteful number, since it uses less digits than its factorization.
230421425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 709012 (or 709007 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 230421425 is about 15179.6385003069. The cubic root of 230421425 is about 613.0665478485.
Adding to 230421425 its reverse (524124032), we get a palindrome (754545457).
The spelling of 230421425 in words is "two hundred thirty million, four hundred twenty-one thousand, four hundred twenty-five".
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