Base | Representation |
---|---|
bin | 11001100000111… |
… | …01101101101101 |
3 | 112220201220121222 |
4 | 30300131231231 |
5 | 414242444323 |
6 | 33123233125 |
7 | 5206143464 |
oct | 1460355555 |
9 | 486656558 |
10 | 214031213 |
11 | aa8a6900 |
12 | 5b8187a5 |
13 | 3545a9b6 |
14 | 205d59db |
15 | 13bcb9c8 |
hex | cc1db6d |
214031213 has 6 divisors (see below), whose sum is σ = 235257582. Its totient is φ = 194573720.
The previous prime is 214031203. The next prime is 214031231. The reversal of 214031213 is 312130412.
It can be written as a sum of positive squares in only one way, i.e., 163379524 + 50651689 = 12782^2 + 7117^2 .
It is not a de Polignac number, because 214031213 - 24 = 214031197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214031191 and 214031200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214031203) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 884306 + ... + 884547.
It is an arithmetic number, because the mean of its divisors is an integer number (39209597).
Almost surely, 2214031213 is an apocalyptic number.
It is an amenable number.
214031213 is a deficient number, since it is larger than the sum of its proper divisors (21226369).
214031213 is a wasteful number, since it uses less digits than its factorization.
214031213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1768875 (or 1768864 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 214031213 is about 14629.8056378067. The cubic root of 214031213 is about 598.1714822730.
Adding to 214031213 its reverse (312130412), we get a palindrome (526161625).
The spelling of 214031213 in words is "two hundred fourteen million, thirty-one thousand, two hundred thirteen".
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