Base | Representation |
---|---|
bin | 11001011111110… |
… | …11111100011100 |
3 | 112220110212212222 |
4 | 30233323330130 |
5 | 414224033032 |
6 | 33120244512 |
7 | 5205026303 |
oct | 1457737434 |
9 | 486425788 |
10 | 213892892 |
11 | aa811994 |
12 | 5b770738 |
13 | 3540ca55 |
14 | 2059b43a |
15 | 13ba0a12 |
hex | cbfbf1c |
213892892 has 12 divisors (see below), whose sum is σ = 377260800. Its totient is φ = 106104096.
The previous prime is 213892891. The next prime is 213892933. The reversal of 213892892 is 298298312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213892891) 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, 210017 + ... + 211032.
It is an arithmetic number, because the mean of its divisors is an integer number (31438400).
Almost surely, 2213892892 is an apocalyptic number.
It is an amenable number.
213892892 is a deficient number, since it is larger than the sum of its proper divisors (163367908).
213892892 is a wasteful number, since it uses less digits than its factorization.
213892892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 421180 (or 421178 counting only the distinct ones).
The product of its digits is 124416, while the sum is 44.
The square root of 213892892 is about 14625.0775040681. The cubic root of 213892892 is about 598.0425952963.
The spelling of 213892892 in words is "two hundred thirteen million, eight hundred ninety-two thousand, eight hundred ninety-two".
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