Base | Representation |
---|---|
bin | 11001010011001… |
… | …10000010011101 |
3 | 112210100102020112 |
4 | 30221212002131 |
5 | 413312332201 |
6 | 33020455405 |
7 | 5154633143 |
oct | 1451460235 |
9 | 483312215 |
10 | 212230301 |
11 | a9886848 |
12 | 5b0aa565 |
13 | 34c7a07a |
14 | 20287593 |
15 | 139730bb |
hex | ca6609d |
212230301 has 4 divisors (see below), whose sum is σ = 212346204. Its totient is φ = 212114400.
The previous prime is 212230297. The next prime is 212230313. The reversal of 212230301 is 103032212.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6996025 + 205234276 = 2645^2 + 14326^2 .
It is a cyclic number.
It is not a de Polignac number, because 212230301 - 22 = 212230297 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212230321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55160 + ... + 58881.
It is an arithmetic number, because the mean of its divisors is an integer number (53086551).
Almost surely, 2212230301 is an apocalyptic number.
It is an amenable number.
212230301 is a deficient number, since it is larger than the sum of its proper divisors (115903).
212230301 is a wasteful number, since it uses less digits than its factorization.
212230301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115902.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 212230301 is about 14568.1262007164. The cubic root of 212230301 is about 596.4890332235.
Adding to 212230301 its reverse (103032212), we get a palindrome (315262513).
It can be divided in two parts, 2122 and 30301, that added together give a palindrome (32423).
The spelling of 212230301 in words is "two hundred twelve million, two hundred thirty thousand, three hundred one".
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