Base | Representation |
---|---|
bin | 10111110111011… |
… | …01110001110101 |
3 | 111221201101102001 |
4 | 23323231301311 |
5 | 402223002011 |
6 | 31511015301 |
7 | 4650462220 |
oct | 1373556165 |
9 | 457641361 |
10 | 200203381 |
11 | a3011844 |
12 | 5706a531 |
13 | 32628a51 |
14 | 1c8365b7 |
15 | 128997c1 |
hex | beedc75 |
200203381 has 8 divisors (see below), whose sum is σ = 229051584. Its totient is φ = 171417120.
The previous prime is 200203351. The next prime is 200203391. The reversal of 200203381 is 183302002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 200203381 - 25 = 200203349 is a prime.
It is a super-2 number, since 2×2002033812 = 80162787527662322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200203351) 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 7 ways as a sum of consecutive naturals, for example, 8335 + ... + 21676.
It is an arithmetic number, because the mean of its divisors is an integer number (28631448).
Almost surely, 2200203381 is an apocalyptic number.
It is an amenable number.
200203381 is a deficient number, since it is larger than the sum of its proper divisors (28848203).
200203381 is an equidigital number, since it uses as much as digits as its factorization.
200203381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30971.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 200203381 is about 14149.3244008327. The cubic root of 200203381 is about 585.0017103707.
Adding to 200203381 its reverse (183302002), we get a palindrome (383505383).
The spelling of 200203381 in words is "two hundred million, two hundred three thousand, three hundred eighty-one".
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