Base | Representation |
---|---|
bin | 11001010100101… |
… | …01011001110010 |
3 | 112210201021100220 |
4 | 30222111121302 |
5 | 413340034211 |
6 | 33024553510 |
7 | 5156401563 |
oct | 1452253162 |
9 | 483637326 |
10 | 212424306 |
11 | a99a9586 |
12 | 5b182896 |
13 | 35017473 |
14 | 202d816a |
15 | 139b0806 |
hex | ca95672 |
212424306 has 16 divisors (see below), whose sum is σ = 430669344. Its totient is φ = 69837984.
The previous prime is 212424301. The next prime is 212424319. The reversal of 212424306 is 603424212.
212424306 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (212424301) 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, 242056 + ... + 242931.
It is an arithmetic number, because the mean of its divisors is an integer number (26916834).
Almost surely, 2212424306 is an apocalyptic number.
212424306 is an abundant number, since it is smaller than the sum of its proper divisors (218245038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212424306 is a wasteful number, since it uses less digits than its factorization.
212424306 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485065.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 212424306 is about 14574.7832230877. The cubic root of 212424306 is about 596.6707330261.
Adding to 212424306 its reverse (603424212), we get a palindrome (815848518).
The spelling of 212424306 in words is "two hundred twelve million, four hundred twenty-four thousand, three hundred six".
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