Base | Representation |
---|---|
bin | 11000110011100… |
… | …11001110101010 |
3 | 112111120001212000 |
4 | 30121303032222 |
5 | 411232340101 |
6 | 32352031430 |
7 | 5104510314 |
oct | 1431631652 |
9 | 474501760 |
10 | 208090026 |
11 | a7509131 |
12 | 59832576 |
13 | 3415a6c1 |
14 | 1d8ca7b4 |
15 | 13406486 |
hex | c6733aa |
208090026 has 32 divisors (see below), whose sum is σ = 467201280. Its totient is φ = 68646528.
The previous prime is 208090021. The next prime is 208090049. The reversal of 208090026 is 620090802.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (208090021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14626 + ... + 25101.
It is an arithmetic number, because the mean of its divisors is an integer number (14600040).
Almost surely, 2208090026 is an apocalyptic number.
208090026 is an abundant number, since it is smaller than the sum of its proper divisors (259111254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208090026 is a wasteful number, since it uses less digits than its factorization.
208090026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39835 (or 39829 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 208090026 is about 14425.3258542052. The cubic root of 208090026 is about 592.5846826567.
The spelling of 208090026 in words is "two hundred eight million, ninety thousand, twenty-six".
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