Base | Representation |
---|---|
bin | 10001000100000… |
… | …101100000111110 |
3 | 201221200201121010 |
4 | 101010011200332 |
5 | 1041242040323 |
6 | 44224020050 |
7 | 10044241521 |
oct | 2104054076 |
9 | 657621533 |
10 | 286283838 |
11 | 137666315 |
12 | 7ba61626 |
13 | 47407929 |
14 | 2a042bb8 |
15 | 1a1eec93 |
hex | 1110583e |
286283838 has 16 divisors (see below), whose sum is σ = 575027856. Its totient is φ = 95017920.
The previous prime is 286283827. The next prime is 286283839. The reversal of 286283838 is 838382682.
286283838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286283839) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100993 + ... + 103788.
It is an arithmetic number, because the mean of its divisors is an integer number (35939241).
Almost surely, 2286283838 is an apocalyptic number.
286283838 is an abundant number, since it is smaller than the sum of its proper divisors (288744018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
286283838 is a wasteful number, since it uses less digits than its factorization.
286283838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205019.
The product of its digits is 884736, while the sum is 48.
The square root of 286283838 is about 16919.9242906108. The cubic root of 286283838 is about 659.0711129444.
The spelling of 286283838 in words is "two hundred eighty-six million, two hundred eighty-three thousand, eight hundred thirty-eight".
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