Base | Representation |
---|---|
bin | 11001010110100… |
… | …11111010010001 |
3 | 112211012021120112 |
4 | 30223103322101 |
5 | 413421232322 |
6 | 33034251105 |
7 | 5161516202 |
oct | 1453237221 |
9 | 484167515 |
10 | 212680337 |
11 | aa063981 |
12 | 5b286a95 |
13 | 350a6b6c |
14 | 203635a9 |
15 | 13a115e2 |
hex | cad3e91 |
212680337 has 2 divisors, whose sum is σ = 212680338. Its totient is φ = 212680336.
The previous prime is 212680327. The next prime is 212680373. The reversal of 212680337 is 733086212.
It is a happy number.
Together with next prime (212680373) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 201895681 + 10784656 = 14209^2 + 3284^2 .
It is a cyclic number.
It is not a de Polignac number, because 212680337 - 212 = 212676241 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (212680327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106340168 + 106340169.
It is an arithmetic number, because the mean of its divisors is an integer number (106340169).
Almost surely, 2212680337 is an apocalyptic number.
It is an amenable number.
212680337 is a deficient number, since it is larger than the sum of its proper divisors (1).
212680337 is an equidigital number, since it uses as much as digits as its factorization.
212680337 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 212680337 is about 14583.5639334149. The cubic root of 212680337 is about 596.9103554325.
The spelling of 212680337 in words is "two hundred twelve million, six hundred eighty thousand, three hundred thirty-seven".
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