Base | Representation |
---|---|
bin | 11000111001011… |
… | …10000000011011 |
3 | 112112222221021212 |
4 | 30130232000123 |
5 | 411431330232 |
6 | 32420253335 |
7 | 5114144621 |
oct | 1434560033 |
9 | 475887255 |
10 | 208855067 |
11 | a79909a3 |
12 | 59b4124b |
13 | 343679a5 |
14 | 1da49511 |
15 | 13507eb2 |
hex | c72e01b |
208855067 has 2 divisors, whose sum is σ = 208855068. Its totient is φ = 208855066.
The previous prime is 208855037. The next prime is 208855069. The reversal of 208855067 is 760558802.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 208855067 - 226 = 141746203 is a prime.
It is a super-4 number, since 4×2088550674 (a number of 34 digits) contains 4444 as substring.
Together with 208855069, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (208855069) 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 as a sum of consecutive naturals, namely, 104427533 + 104427534.
It is an arithmetic number, because the mean of its divisors is an integer number (104427534).
Almost surely, 2208855067 is an apocalyptic number.
208855067 is a deficient number, since it is larger than the sum of its proper divisors (1).
208855067 is an equidigital number, since it uses as much as digits as its factorization.
208855067 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 134400, while the sum is 41.
The square root of 208855067 is about 14451.8188128692. The cubic root of 208855067 is about 593.3100051497.
It can be divided in two parts, 20885 and 5067, that added together give a palindrome (25952).
The spelling of 208855067 in words is "two hundred eight million, eight hundred fifty-five thousand, sixty-seven".
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