Base | Representation |
---|---|
bin | 11001100001100… |
… | …11111011110111 |
3 | 112220220112111000 |
4 | 30300303323313 |
5 | 414303402411 |
6 | 33125214343 |
7 | 5210003031 |
oct | 1460637367 |
9 | 486815430 |
10 | 214122231 |
11 | aa959224 |
12 | 5b8613b3 |
13 | 3549025b |
14 | 2061ac51 |
15 | 13be8956 |
hex | cc33ef7 |
214122231 has 16 divisors (see below), whose sum is σ = 320029920. Its totient is φ = 141482880.
The previous prime is 214122217. The next prime is 214122247. The reversal of 214122231 is 132221412.
It is a happy number.
214122231 is a `hidden beast` number, since 21 + 412 + 2 + 231 = 666.
It is not a de Polignac number, because 214122231 - 25 = 214122199 is a prime.
It is a super-2 number, since 2×2141222312 = 91696659616834722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214122031) 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, 32040 + ... + 38141.
It is an arithmetic number, because the mean of its divisors is an integer number (20001870).
Almost surely, 2214122231 is an apocalyptic number.
214122231 is a deficient number, since it is larger than the sum of its proper divisors (105907689).
214122231 is a wasteful number, since it uses less digits than its factorization.
214122231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70303 (or 70297 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 214122231 is about 14632.9160115132. The cubic root of 214122231 is about 598.2562622068.
Adding to 214122231 its reverse (132221412), we get a palindrome (346343643).
The spelling of 214122231 in words is "two hundred fourteen million, one hundred twenty-two thousand, two hundred thirty-one".
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