Base | Representation |
---|---|
bin | 10111111000001… |
… | …01010111110101 |
3 | 111221220021222022 |
4 | 23330011113311 |
5 | 402234100041 |
6 | 31513042525 |
7 | 4651344035 |
oct | 1374052765 |
9 | 457807868 |
10 | 200300021 |
11 | a3078409 |
12 | 570b6445 |
13 | 32660a2c |
14 | 1c85d8c5 |
15 | 128b824b |
hex | bf055f5 |
200300021 has 8 divisors (see below), whose sum is σ = 206924544. Its totient is φ = 193685760.
The previous prime is 200300003. The next prime is 200300029. The reversal of 200300021 is 120003002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 200300021 - 210 = 200298997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 200299981 and 200300008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200300029) 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 7 ways as a sum of consecutive naturals, for example, 71381 + ... + 74133.
It is an arithmetic number, because the mean of its divisors is an integer number (25865568).
Almost surely, 2200300021 is an apocalyptic number.
It is an amenable number.
200300021 is a deficient number, since it is larger than the sum of its proper divisors (6624523).
200300021 is a wasteful number, since it uses less digits than its factorization.
200300021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5131.
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 200300021 is about 14152.7389928593. The cubic root of 200300021 is about 585.0958237849.
Adding to 200300021 its reverse (120003002), we get a palindrome (320303023).
The spelling of 200300021 in words is "two hundred million, three hundred thousand, twenty-one".
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