Base | Representation |
---|---|
bin | 10111111000110… |
… | …00111110010101 |
3 | 111222001101002221 |
4 | 23330120332111 |
5 | 402244132214 |
6 | 31514502341 |
7 | 4652130103 |
oct | 1374307625 |
9 | 458041087 |
10 | 200380309 |
11 | a3122768 |
12 | 571349b1 |
13 | 3268b43c |
14 | 1c880c73 |
15 | 128d1e24 |
hex | bf18f95 |
200380309 has 4 divisors (see below), whose sum is σ = 212167404. Its totient is φ = 188593216.
The previous prime is 200380283. The next prime is 200380319. The reversal of 200380309 is 903083002.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903083002 = 2 ⋅451541501.
It can be written as a sum of positive squares in 2 ways, for example, as 159138225 + 41242084 = 12615^2 + 6422^2 .
It is a cyclic number.
It is not a de Polignac number, because 200380309 - 25 = 200380277 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200380319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5893522 + ... + 5893555.
It is an arithmetic number, because the mean of its divisors is an integer number (53041851).
Almost surely, 2200380309 is an apocalyptic number.
It is an amenable number.
200380309 is a deficient number, since it is larger than the sum of its proper divisors (11787095).
200380309 is a wasteful number, since it uses less digits than its factorization.
200380309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11787094.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 200380309 is about 14155.5751914219. The cubic root of 200380309 is about 585.1739896916.
The spelling of 200380309 in words is "two hundred million, three hundred eighty thousand, three hundred nine".
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