Base | Representation |
---|---|
bin | 11000110100110… |
… | …00011000101111 |
3 | 112111211210121221 |
4 | 30122120120233 |
5 | 411302222343 |
6 | 32355204211 |
7 | 5106013120 |
oct | 1432303057 |
9 | 474753557 |
10 | 208242223 |
11 | a7602512 |
12 | 598a6667 |
13 | 341b1a67 |
14 | 1d92a047 |
15 | 134365ed |
hex | c69862f |
208242223 has 16 divisors (see below), whose sum is σ = 252875520. Its totient is φ = 167507136.
The previous prime is 208242191. The next prime is 208242233. The reversal of 208242223 is 322242802.
It is a happy number.
208242223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 208242223 - 25 = 208242191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208242233) 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, 6915 + ... + 21547.
It is an arithmetic number, because the mean of its divisors is an integer number (15804720).
Almost surely, 2208242223 is an apocalyptic number.
208242223 is a deficient number, since it is larger than the sum of its proper divisors (44633297).
208242223 is a wasteful number, since it uses less digits than its factorization.
208242223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14766.
The product of its (nonzero) digits is 3072, while the sum is 25.
The square root of 208242223 is about 14430.6002300667. The cubic root of 208242223 is about 592.7291195516.
The spelling of 208242223 in words is "two hundred eight million, two hundred forty-two thousand, two hundred twenty-three".
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