Base | Representation |
---|---|
bin | 11001011011001… |
… | …11111111101100 |
3 | 112212100002121112 |
4 | 30231213333230 |
5 | 414100140032 |
6 | 33055251152 |
7 | 5166623450 |
oct | 1455477754 |
9 | 485302545 |
10 | 213286892 |
11 | aa438665 |
12 | 5b519ab8 |
13 | 35259c80 |
14 | 20480660 |
15 | 13ad11b2 |
hex | cb67fec |
213286892 has 24 divisors (see below), whose sum is σ = 459387936. Its totient is φ = 84377088.
The previous prime is 213286891. The next prime is 213286897. The reversal of 213286892 is 298682312.
It is not an unprimeable number, because it can be changed into a prime (213286891) 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, 292613 + ... + 293340.
It is an arithmetic number, because the mean of its divisors is an integer number (19141164).
Almost surely, 2213286892 is an apocalyptic number.
It is an amenable number.
213286892 is an abundant number, since it is smaller than the sum of its proper divisors (246101044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213286892 is a wasteful number, since it uses less digits than its factorization.
213286892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585977 (or 585975 counting only the distinct ones).
The product of its digits is 82944, while the sum is 41.
The square root of 213286892 is about 14604.3449699054. The cubic root of 213286892 is about 597.4772708918.
The spelling of 213286892 in words is "two hundred thirteen million, two hundred eighty-six thousand, eight hundred ninety-two".
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