Base | Representation |
---|---|
bin | 11000111010000… |
… | …11100001111001 |
3 | 112120011102012222 |
4 | 30131003201321 |
5 | 411442140400 |
6 | 32422213425 |
7 | 5114662631 |
oct | 1435034171 |
9 | 476142188 |
10 | 208943225 |
11 | a7a41157 |
12 | 59b84275 |
13 | 34398b5a |
14 | 1da6d6c1 |
15 | 13524185 |
hex | c743879 |
208943225 has 24 divisors (see below), whose sum is σ = 266715072. Its totient is φ = 162302400.
The previous prime is 208943191. The next prime is 208943227. The reversal of 208943225 is 522349802.
208943225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 208943225 - 214 = 208926841 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (208943227) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135710 + ... + 137240.
It is an arithmetic number, because the mean of its divisors is an integer number (11113128).
Almost surely, 2208943225 is an apocalyptic number.
208943225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
208943225 is a deficient number, since it is larger than the sum of its proper divisors (57771847).
208943225 is a wasteful number, since it uses less digits than its factorization.
208943225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1697 (or 1692 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 35.
The square root of 208943225 is about 14454.8685569949. The cubic root of 208943225 is about 593.3934723862.
The spelling of 208943225 in words is "two hundred eight million, nine hundred forty-three thousand, two hundred twenty-five".
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