Base | Representation |
---|---|
bin | 11001010011010… |
… | …00011110101101 |
3 | 112210100220221220 |
4 | 30221220132231 |
5 | 413313142201 |
6 | 33021013553 |
7 | 5155004250 |
oct | 1451503655 |
9 | 483326856 |
10 | 212240301 |
11 | a9893309 |
12 | 5b0b42b9 |
13 | 34c817a0 |
14 | 2028b097 |
15 | 13976036 |
hex | ca687ad |
212240301 has 16 divisors (see below), whose sum is σ = 348292224. Its totient is φ = 111950784.
The previous prime is 212240267. The next prime is 212240309. The reversal of 212240301 is 103042212.
It is not a de Polignac number, because 212240301 - 29 = 212239789 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 (212240309) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388446 + ... + 388991.
It is an arithmetic number, because the mean of its divisors is an integer number (21768264).
Almost surely, 2212240301 is an apocalyptic number.
212240301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
212240301 is a deficient number, since it is larger than the sum of its proper divisors (136051923).
212240301 is a wasteful number, since it uses less digits than its factorization.
212240301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 777460.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 212240301 is about 14568.4694117124. The cubic root of 212240301 is about 596.4984016575.
Adding to 212240301 its reverse (103042212), we get a palindrome (315282513).
The spelling of 212240301 in words is "two hundred twelve million, two hundred forty thousand, three hundred one".
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