Base | Representation |
---|---|
bin | 11000110011000… |
… | …10110110011010 |
3 | 112111102122211021 |
4 | 30121202312122 |
5 | 411223213223 |
6 | 32350353054 |
7 | 5104110604 |
oct | 1431426632 |
9 | 474378737 |
10 | 208022938 |
11 | a7472792 |
12 | 597bb78a |
13 | 34135cc6 |
14 | 1d8b0174 |
15 | 133e165d |
hex | c662d9a |
208022938 has 16 divisors (see below), whose sum is σ = 315459144. Its totient is φ = 102876480.
The previous prime is 208022921. The next prime is 208022939. The reversal of 208022938 is 839220802.
It is a happy number.
208022938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 207734569 + 288369 = 14413^2 + 537^2 .
It is not an unprimeable number, because it can be changed into a prime (208022939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69856 + ... + 72772.
Almost surely, 2208022938 is an apocalyptic number.
208022938 is a deficient number, since it is larger than the sum of its proper divisors (107436206).
208022938 is a wasteful number, since it uses less digits than its factorization.
208022938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3297.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 208022938 is about 14423.0003120017. Note that the first 3 decimals coincide. The cubic root of 208022938 is about 592.5209929241.
The spelling of 208022938 in words is "two hundred eight million, twenty-two thousand, nine hundred thirty-eight".
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