Base | Representation |
---|---|
bin | 11000011110000… |
… | …01100101011011 |
3 | 112022020112222102 |
4 | 30033001211123 |
5 | 410021441433 |
6 | 32211314015 |
7 | 5041503641 |
oct | 1417014533 |
9 | 468215872 |
10 | 205265243 |
11 | a59598a7 |
12 | 588ab90b |
13 | 336aba31 |
14 | 1d393191 |
15 | 130494e8 |
hex | c3c195b |
205265243 has 4 divisors (see below), whose sum is σ = 206117208. Its totient is φ = 204413280.
The previous prime is 205265213. The next prime is 205265299. The reversal of 205265243 is 342562502.
205265243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 205265243 - 220 = 204216667 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (205265213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425621 + ... + 426102.
It is an arithmetic number, because the mean of its divisors is an integer number (51529302).
Almost surely, 2205265243 is an apocalyptic number.
205265243 is a deficient number, since it is larger than the sum of its proper divisors (851965).
205265243 is an equidigital number, since it uses as much as digits as its factorization.
205265243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 851964.
The product of its (nonzero) digits is 14400, while the sum is 29.
The square root of 205265243 is about 14327.0807563858. The cubic root of 205265243 is about 589.8910485403.
The spelling of 205265243 in words is "two hundred five million, two hundred sixty-five thousand, two hundred forty-three".
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