Base | Representation |
---|---|
bin | 11000111001001… |
… | …10101000111001 |
3 | 112112221101220011 |
4 | 30130212220321 |
5 | 411424344024 |
6 | 32415501521 |
7 | 5113660630 |
oct | 1434465071 |
9 | 475841804 |
10 | 208824889 |
11 | a7970259 |
12 | 59b278a1 |
13 | 34357030 |
14 | 1da3c517 |
15 | 134ee094 |
hex | c726a39 |
208824889 has 32 divisors (see below), whose sum is σ = 284014080. Its totient is φ = 148718592.
The previous prime is 208824881. The next prime is 208824907. The reversal of 208824889 is 988428802.
208824889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 208824889 - 23 = 208824881 is a prime.
It is not an unprimeable number, because it can be changed into a prime (208824881) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32647 + ... + 38515.
It is an arithmetic number, because the mean of its divisors is an integer number (8875440).
Almost surely, 2208824889 is an apocalyptic number.
It is an amenable number.
208824889 is a deficient number, since it is larger than the sum of its proper divisors (75189191).
208824889 is a wasteful number, since it uses less digits than its factorization.
208824889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5929.
The product of its (nonzero) digits is 589824, while the sum is 49.
The square root of 208824889 is about 14450.7746851164. The cubic root of 208824889 is about 593.2814274825.
The spelling of 208824889 in words is "two hundred eight million, eight hundred twenty-four thousand, eight hundred eighty-nine".
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