Base | Representation |
---|---|
bin | 11001011011010… |
… | …00110001100110 |
3 | 112212100020222211 |
4 | 30231220301212 |
5 | 414100240321 |
6 | 33055314034 |
7 | 5166635662 |
oct | 1455506146 |
9 | 485306884 |
10 | 213290086 |
11 | aa43aaa9 |
12 | 5b51b91a |
13 | 3525b569 |
14 | 204818a2 |
15 | 13ad20e1 |
hex | cb68c66 |
213290086 has 32 divisors (see below), whose sum is σ = 356336640. Its totient is φ = 95287104.
The previous prime is 213290081. The next prime is 213290093. The reversal of 213290086 is 680092312.
213290086 is digitally balanced in base 2, 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 (213290081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62131 + ... + 65473.
It is an arithmetic number, because the mean of its divisors is an integer number (11135520).
Almost surely, 2213290086 is an apocalyptic number.
213290086 is a deficient number, since it is larger than the sum of its proper divisors (143046554).
213290086 is a wasteful number, since it uses less digits than its factorization.
213290086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3460.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 213290086 is about 14604.4543205147. The cubic root of 213290086 is about 597.4802533112.
The spelling of 213290086 in words is "two hundred thirteen million, two hundred ninety thousand, eighty-six".
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