Base | Representation |
---|---|
bin | 10111111100001… |
… | …00101001001101 |
3 | 111222212210001212 |
4 | 23332010221031 |
5 | 402402240300 |
6 | 31532144205 |
7 | 4655644625 |
oct | 1376045115 |
9 | 458783055 |
10 | 200821325 |
11 | a33a4041 |
12 | 57308065 |
13 | 327b40b3 |
14 | 1c957885 |
15 | 1296c935 |
hex | bf84a4d |
200821325 has 12 divisors (see below), whose sum is σ = 250314708. Its totient is φ = 159820800.
The previous prime is 200821319. The next prime is 200821343. The reversal of 200821325 is 523128002.
It can be written as a sum of positive squares in 6 ways, for example, as 19838116 + 180983209 = 4454^2 + 13453^2 .
It is not a de Polignac number, because 200821325 - 214 = 200804941 is a prime.
It is a Duffinian number.
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 200821325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15986 + ... + 25635.
It is an arithmetic number, because the mean of its divisors is an integer number (20859559).
Almost surely, 2200821325 is an apocalyptic number.
200821325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
200821325 is a deficient number, since it is larger than the sum of its proper divisors (49493383).
200821325 is a wasteful number, since it uses less digits than its factorization.
200821325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41824 (or 41819 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 200821325 is about 14171.1440963671. The cubic root of 200821325 is about 585.6029772762.
Adding to 200821325 its reverse (523128002), we get a palindrome (723949327).
The spelling of 200821325 in words is "two hundred million, eight hundred twenty-one thousand, three hundred twenty-five".
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