Base | Representation |
---|---|
bin | 11001010011010… |
… | …01111001000101 |
3 | 112210101012220010 |
4 | 30221221321011 |
5 | 413313333320 |
6 | 33021100433 |
7 | 5155030152 |
oct | 1451517105 |
9 | 483335803 |
10 | 212246085 |
11 | a9897697 |
12 | 5b0b7719 |
13 | 34c842cc |
14 | 2028d229 |
15 | 13977ae0 |
hex | ca69e45 |
212246085 has 8 divisors (see below), whose sum is σ = 339593760. Its totient is φ = 113197904.
The previous prime is 212246077. The next prime is 212246087. The reversal of 212246085 is 580642212.
212246085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212246085 - 23 = 212246077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212246087) 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, 7074855 + ... + 7074884.
It is an arithmetic number, because the mean of its divisors is an integer number (42449220).
Almost surely, 2212246085 is an apocalyptic number.
It is an amenable number.
212246085 is a deficient number, since it is larger than the sum of its proper divisors (127347675).
212246085 is a wasteful number, since it uses less digits than its factorization.
212246085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14149747.
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 212246085 is about 14568.6679212617. The cubic root of 212246085 is about 596.5038202253.
Adding to 212246085 its reverse (580642212), we get a palindrome (792888297).
The spelling of 212246085 in words is "two hundred twelve million, two hundred forty-six thousand, eighty-five".
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