Base | Representation |
---|---|
bin | 11000111001001… |
… | …10110111110010 |
3 | 112112221110012110 |
4 | 30130212313302 |
5 | 411424411332 |
6 | 32415510150 |
7 | 5113663461 |
oct | 1434466762 |
9 | 475843173 |
10 | 208825842 |
11 | a7970a45 |
12 | 59b28356 |
13 | 343575b4 |
14 | 1da3c9d8 |
15 | 134ee4cc |
hex | c726df2 |
208825842 has 16 divisors (see below), whose sum is σ = 422684640. Its totient is φ = 68769792.
The previous prime is 208825823. The next prime is 208825847. The reversal of 208825842 is 248528802.
It is a self number, because there is not a number n which added to its sum of digits gives 208825842.
It is not an unprimeable number, because it can be changed into a prime (208825847) 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, 209167 + ... + 210162.
It is an arithmetic number, because the mean of its divisors is an integer number (26417790).
Almost surely, 2208825842 is an apocalyptic number.
208825842 is an abundant number, since it is smaller than the sum of its proper divisors (213858798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208825842 is a wasteful number, since it uses less digits than its factorization.
208825842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419417.
The product of its (nonzero) digits is 81920, while the sum is 39.
The square root of 208825842 is about 14450.8076590895. The cubic root of 208825842 is about 593.2823299872.
The spelling of 208825842 in words is "two hundred eight million, eight hundred twenty-five thousand, eight hundred forty-two".
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