Base | Representation |
---|---|
bin | 10111110111100… |
… | …10110011110011 |
3 | 111221202102200020 |
4 | 23323302303303 |
5 | 402224131422 |
6 | 31511254523 |
7 | 4650606255 |
oct | 1373626363 |
9 | 457672606 |
10 | 200223987 |
11 | a3026277 |
12 | 5707a443 |
13 | 32635242 |
14 | 1c83dcd5 |
15 | 128a095c |
hex | bef2cf3 |
200223987 has 4 divisors (see below), whose sum is σ = 266965320. Its totient is φ = 133482656.
The previous prime is 200223979. The next prime is 200223997. The reversal of 200223987 is 789322002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 200223987 - 23 = 200223979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (200223967) 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 3 ways as a sum of consecutive naturals, for example, 33370662 + ... + 33370667.
It is an arithmetic number, because the mean of its divisors is an integer number (66741330).
Almost surely, 2200223987 is an apocalyptic number.
200223987 is a deficient number, since it is larger than the sum of its proper divisors (66741333).
200223987 is an equidigital number, since it uses as much as digits as its factorization.
200223987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66741332.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 200223987 is about 14150.0525440721. The cubic root of 200223987 is about 585.0217801811.
Adding to 200223987 its reverse (789322002), we get a palindrome (989545989).
The spelling of 200223987 in words is "two hundred million, two hundred twenty-three thousand, nine hundred eighty-seven".
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