Base | Representation |
---|---|
bin | 11000111000010… |
… | …10000110111101 |
3 | 112112201110121000 |
4 | 30130022012331 |
5 | 411412124104 |
6 | 32413200513 |
7 | 5112663135 |
oct | 1434120675 |
9 | 475643530 |
10 | 208708029 |
11 | a78a0482 |
12 | 59a90139 |
13 | 34315a9a |
14 | 1da0bac5 |
15 | 134c9639 |
hex | c70a1bd |
208708029 has 16 divisors (see below), whose sum is σ = 309666240. Its totient is φ = 138927600.
The previous prime is 208708001. The next prime is 208708037. The reversal of 208708029 is 920807802.
208708029 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 208708029 - 29 = 208707517 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 208707984 and 208708002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208708079) 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, 13414 + ... + 24440.
It is an arithmetic number, because the mean of its divisors is an integer number (19354140).
Almost surely, 2208708029 is an apocalyptic number.
It is an amenable number.
208708029 is a deficient number, since it is larger than the sum of its proper divisors (100958211).
208708029 is a wasteful number, since it uses less digits than its factorization.
208708029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11737 (or 11731 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 208708029 is about 14446.7307374368. The cubic root of 208708029 is about 593.1707385624.
The spelling of 208708029 in words is "two hundred eight million, seven hundred eight thousand, twenty-nine".
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