Base | Representation |
---|---|
bin | 11001100010010… |
… | …10011001000101 |
3 | 112221002012122202 |
4 | 30301022121011 |
5 | 414314323323 |
6 | 33131204245 |
7 | 5210535143 |
oct | 1461123105 |
9 | 487065582 |
10 | 214214213 |
11 | aaa11344 |
12 | 5b8a6685 |
13 | 354c3095 |
14 | 20642593 |
15 | 13c15d28 |
hex | cc4a645 |
214214213 has 16 divisors (see below), whose sum is σ = 225720000. Its totient is φ = 203024640.
The previous prime is 214214207. The next prime is 214214237. The reversal of 214214213 is 312412412.
It is a cyclic number.
It is not a de Polignac number, because 214214213 - 24 = 214214197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214214293) 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, 429038 + ... + 429536.
It is an arithmetic number, because the mean of its divisors is an integer number (14107500).
Almost surely, 2214214213 is an apocalyptic number.
It is an amenable number.
214214213 is a deficient number, since it is larger than the sum of its proper divisors (11505787).
214214213 is a wasteful number, since it uses less digits than its factorization.
214214213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 772.
The product of its digits is 384, while the sum is 20.
The square root of 214214213 is about 14636.0586566193. The cubic root of 214214213 is about 598.3419156666.
Adding to 214214213 its reverse (312412412), we get a palindrome (526626625).
The spelling of 214214213 in words is "two hundred fourteen million, two hundred fourteen thousand, two hundred thirteen".
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