Base | Representation |
---|---|
bin | 11001100010011… |
… | …00010110000011 |
3 | 112221002121121222 |
4 | 30301030112003 |
5 | 414320102321 |
6 | 33131305255 |
7 | 5210600360 |
oct | 1461142603 |
9 | 487077558 |
10 | 214222211 |
11 | aaa17355 |
12 | 5b8ab22b |
13 | 354c6908 |
14 | 20645467 |
15 | 13c183ab |
hex | cc4c583 |
214222211 has 8 divisors (see below), whose sum is σ = 245071104. Its totient is φ = 183434760.
The previous prime is 214222189. The next prime is 214222231. The reversal of 214222211 is 112222412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 214222211 - 222 = 210027907 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 214222211.
It is not an unprimeable number, because it can be changed into a prime (214222231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7625 + ... + 22058.
It is an arithmetic number, because the mean of its divisors is an integer number (30633888).
Almost surely, 2214222211 is an apocalyptic number.
214222211 is a deficient number, since it is larger than the sum of its proper divisors (30848893).
214222211 is a wasteful number, since it uses less digits than its factorization.
214222211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30721.
The product of its digits is 128, while the sum is 17.
The square root of 214222211 is about 14636.3318833648. The cubic root of 214222211 is about 598.3493622299.
Adding to 214222211 its reverse (112222412), we get a palindrome (326444623).
The spelling of 214222211 in words is "two hundred fourteen million, two hundred twenty-two thousand, two hundred eleven".
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