Base | Representation |
---|---|
bin | 11000110101001… |
… | …10000010000011 |
3 | 112111221122022000 |
4 | 30122212002003 |
5 | 411311014430 |
6 | 32400315043 |
7 | 5106335064 |
oct | 1432460203 |
9 | 474848260 |
10 | 208298115 |
11 | a7640503 |
12 | 59912a83 |
13 | 3420132c |
14 | 1d94256b |
15 | 13447e60 |
hex | c6a6083 |
208298115 has 32 divisors (see below), whose sum is σ = 375014400. Its totient is φ = 109680480.
The previous prime is 208298113. The next prime is 208298117. The reversal of 208298115 is 511892802.
It is an interprime number because it is at equal distance from previous prime (208298113) and next prime (208298117).
It is not a de Polignac number, because 208298115 - 21 = 208298113 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 208298115.
It is not an unprimeable number, because it can be changed into a prime (208298113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900 + ... + 20430.
It is an arithmetic number, because the mean of its divisors is an integer number (11719200).
Almost surely, 2208298115 is an apocalyptic number.
208298115 is a deficient number, since it is larger than the sum of its proper divisors (166716285).
208298115 is a wasteful number, since it uses less digits than its factorization.
208298115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19624 (or 19618 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
The square root of 208298115 is about 14432.5366793229. The cubic root of 208298115 is about 592.7821441048.
The spelling of 208298115 in words is "two hundred eight million, two hundred ninety-eight thousand, one hundred fifteen".
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