Base | Representation |
---|---|
bin | 10111111100101… |
… | …10010011000111 |
3 | 112000000110021011 |
4 | 23332112103013 |
5 | 402412044024 |
6 | 31533503051 |
7 | 4656365512 |
oct | 1376262307 |
9 | 460013234 |
10 | 200893639 |
11 | a3443401 |
12 | 57341a87 |
13 | 3280ac9b |
14 | 1c975d79 |
15 | 12984094 |
hex | bf964c7 |
200893639 has 4 divisors (see below), whose sum is σ = 200952856. Its totient is φ = 200834424.
The previous prime is 200893619. The next prime is 200893681. The reversal of 200893639 is 936398002.
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 200893639 - 215 = 200860871 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 (200893619) 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, 24189 + ... + 31414.
It is an arithmetic number, because the mean of its divisors is an integer number (50238214).
Almost surely, 2200893639 is an apocalyptic number.
200893639 is a deficient number, since it is larger than the sum of its proper divisors (59217).
200893639 is an equidigital number, since it uses as much as digits as its factorization.
200893639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59216.
The product of its (nonzero) digits is 69984, while the sum is 40.
The square root of 200893639 is about 14173.6953191467. The cubic root of 200893639 is about 585.6732590084.
The spelling of 200893639 in words is "two hundred million, eight hundred ninety-three thousand, six hundred thirty-nine".
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