Base | Representation |
---|---|
bin | 11001010100101… |
… | …10001000110011 |
3 | 112210201102111100 |
4 | 30222112020303 |
5 | 413340133230 |
6 | 33025015443 |
7 | 5156413422 |
oct | 1452261063 |
9 | 483642440 |
10 | 212427315 |
11 | a9a00871 |
12 | 5b184583 |
13 | 35018949 |
14 | 202d92b9 |
15 | 139b1660 |
hex | ca96233 |
212427315 has 48 divisors (see below), whose sum is σ = 394037280. Its totient is φ = 105546240.
The previous prime is 212427311. The next prime is 212427329. The reversal of 212427315 is 513724212.
It is not a de Polignac number, because 212427315 - 22 = 212427311 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212427311) 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 47 ways as a sum of consecutive naturals, for example, 50119 + ... + 54191.
It is an arithmetic number, because the mean of its divisors is an integer number (8209110).
Almost surely, 2212427315 is an apocalyptic number.
212427315 is a deficient number, since it is larger than the sum of its proper divisors (181609965).
212427315 is a wasteful number, since it uses less digits than its factorization.
212427315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4164 (or 4161 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 212427315 is about 14574.8864489573. The cubic root of 212427315 is about 596.6735503022.
The spelling of 212427315 in words is "two hundred twelve million, four hundred twenty-seven thousand, three hundred fifteen".
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