Base | Representation |
---|---|
bin | 11001100110110… |
… | …11101001111100 |
3 | 112222012102211202 |
4 | 30303123221330 |
5 | 414442343322 |
6 | 33152035032 |
7 | 5215563632 |
oct | 1463335174 |
9 | 488172752 |
10 | 214809212 |
11 | 100288382 |
12 | 5bb32a78 |
13 | 35670b57 |
14 | 20759352 |
15 | 13cd2292 |
hex | ccdba7c |
214809212 has 48 divisors (see below), whose sum is σ = 427019040. Its totient is φ = 93929472.
The previous prime is 214809191. The next prime is 214809227. The reversal of 214809212 is 212908412.
It is a super-2 number, since 2×2148092122 = 92285995120121888, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66908 + ... + 70044.
It is an arithmetic number, because the mean of its divisors is an integer number (8896230).
Almost surely, 2214809212 is an apocalyptic number.
It is an amenable number.
214809212 is a deficient number, since it is larger than the sum of its proper divisors (212209828).
214809212 is a wasteful number, since it uses less digits than its factorization.
214809212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3230 (or 3228 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 214809212 is about 14656.3710378797. The cubic root of 214809212 is about 598.8953861469.
The spelling of 214809212 in words is "two hundred fourteen million, eight hundred nine thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •