Base | Representation |
---|---|
bin | 11000111001000… |
… | …11101100001110 |
3 | 112112220210022221 |
4 | 30130203230032 |
5 | 411424002224 |
6 | 32415325554 |
7 | 5113610500 |
oct | 1434435416 |
9 | 475823287 |
10 | 208812814 |
11 | a7962181 |
12 | 59b208ba |
13 | 343516a2 |
14 | 1da37d70 |
15 | 134ea6e4 |
hex | c723b0e |
208812814 has 24 divisors (see below), whose sum is σ = 380202768. Its totient is φ = 85599360.
The previous prime is 208812781. The next prime is 208812829. The reversal of 208812814 is 418218802.
208812814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 208812814.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44067 + ... + 48574.
It is an arithmetic number, because the mean of its divisors is an integer number (15841782).
Almost surely, 2208812814 is an apocalyptic number.
208812814 is a deficient number, since it is larger than the sum of its proper divisors (171389954).
208812814 is a wasteful number, since it uses less digits than its factorization.
208812814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92680 (or 92673 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 34.
The square root of 208812814 is about 14450.3568814061. The cubic root of 208812814 is about 593.2699920459.
The spelling of 208812814 in words is "two hundred eight million, eight hundred twelve thousand, eight hundred fourteen".
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