Base | Representation |
---|---|
bin | 11001010011111… |
… | …11001011110101 |
3 | 112210112122112100 |
4 | 30221333023311 |
5 | 413324131201 |
6 | 33023012313 |
7 | 5155542345 |
oct | 1451771365 |
9 | 483478470 |
10 | 212333301 |
11 | a9947174 |
12 | 5b13a099 |
13 | 34cb4c0b |
14 | 202b2d25 |
15 | 13993886 |
hex | ca7f2f5 |
212333301 has 12 divisors (see below), whose sum is σ = 314184780. Its totient is φ = 138102720.
The previous prime is 212333287. The next prime is 212333311. The reversal of 212333301 is 103333212.
It can be written as a sum of positive squares in 2 ways, for example, as 34751025 + 177582276 = 5895^2 + 13326^2 .
It is not a de Polignac number, because 212333301 - 29 = 212332789 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212333311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287346 + ... + 288083.
It is an arithmetic number, because the mean of its divisors is an integer number (26182065).
Almost surely, 2212333301 is an apocalyptic number.
It is an amenable number.
212333301 is a deficient number, since it is larger than the sum of its proper divisors (101851479).
212333301 is a wasteful number, since it uses less digits than its factorization.
212333301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575476 (or 575473 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 212333301 is about 14571.6608868035. The cubic root of 212333301 is about 596.5855140020.
Adding to 212333301 its reverse (103333212), we get a palindrome (315666513).
The spelling of 212333301 in words is "two hundred twelve million, three hundred thirty-three thousand, three hundred one".
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