Base | Representation |
---|---|
bin | 10111111001010… |
… | …00100001111001 |
3 | 111222011121111210 |
4 | 23330220201321 |
5 | 402303202100 |
6 | 31520113333 |
7 | 4652513625 |
oct | 1374504171 |
9 | 458147453 |
10 | 200444025 |
11 | a3166621 |
12 | 57165849 |
13 | 326b1442 |
14 | 1c89a185 |
15 | 128e5c50 |
hex | bf28879 |
200444025 has 24 divisors (see below), whose sum is σ = 350897184. Its totient is φ = 100614400.
The previous prime is 200444003. The next prime is 200444029. The reversal of 200444025 is 520444002.
It is not a de Polignac number, because 200444025 - 25 = 200443993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 200443992 and 200444010.
It is not an unprimeable number, because it can be changed into a prime (200444029) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77331 + ... + 79880.
It is an arithmetic number, because the mean of its divisors is an integer number (14620716).
Almost surely, 2200444025 is an apocalyptic number.
200444025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
200444025 is a deficient number, since it is larger than the sum of its proper divisors (150453159).
200444025 is a wasteful number, since it uses less digits than its factorization.
200444025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157241 (or 157236 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 21.
The square root of 200444025 is about 14157.8255745718. The cubic root of 200444025 is about 585.2360067546.
Adding to 200444025 its reverse (520444002), we get a palindrome (720888027).
The spelling of 200444025 in words is "two hundred million, four hundred forty-four thousand, twenty-five".
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