Base | Representation |
---|---|
bin | 11001010110110… |
… | …10101110101011 |
3 | 112211020200212222 |
4 | 30223122232223 |
5 | 413423131032 |
6 | 33035024255 |
7 | 5161663502 |
oct | 1453325653 |
9 | 484220788 |
10 | 212708267 |
11 | aa082962 |
12 | 5b29b08b |
13 | 350b67a5 |
14 | 2036d839 |
15 | 13a19a12 |
hex | cadabab |
212708267 has 8 divisors (see below), whose sum is σ = 232486272. Its totient is φ = 193737600.
The previous prime is 212708201. The next prime is 212708273. The reversal of 212708267 is 762807212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212708267 - 212 = 212704171 is a prime.
It is a super-3 number, since 3×2127082673 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212708297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201284 + ... + 202337.
It is an arithmetic number, because the mean of its divisors is an integer number (29060784).
Almost surely, 2212708267 is an apocalyptic number.
212708267 is a deficient number, since it is larger than the sum of its proper divisors (19778005).
212708267 is a wasteful number, since it uses less digits than its factorization.
212708267 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403669.
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 212708267 is about 14584.5214868367. The cubic root of 212708267 is about 596.9364838101.
The spelling of 212708267 in words is "two hundred twelve million, seven hundred eight thousand, two hundred sixty-seven".
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