Base | Representation |
---|---|
bin | 10111100110111… |
… | …11100100000101 |
3 | 111210122212210022 |
4 | 23303133210011 |
5 | 401200014010 |
6 | 31352504525 |
7 | 4623244301 |
oct | 1363374405 |
9 | 453585708 |
10 | 198048005 |
11 | a187a441 |
12 | 563ab145 |
13 | 3205298c |
14 | 1c434d01 |
15 | 125c0d55 |
hex | bcdf905 |
198048005 has 8 divisors (see below), whose sum is σ = 237733152. Its totient is φ = 158388048.
The previous prime is 198047953. The next prime is 198048007. The reversal of 198048005 is 500840891.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 198048005 - 216 = 197982469 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198048007) 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, 27602 + ... + 34028.
It is an arithmetic number, because the mean of its divisors is an integer number (29716644).
Almost surely, 2198048005 is an apocalyptic number.
It is an amenable number.
198048005 is a deficient number, since it is larger than the sum of its proper divisors (39685147).
198048005 is an equidigital number, since it uses as much as digits as its factorization.
198048005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12595.
The product of its (nonzero) digits is 11520, while the sum is 35.
The square root of 198048005 is about 14072.9529594893. The cubic root of 198048005 is about 582.8947682265.
Adding to 198048005 its reverse (500840891), we get a palindrome (698888896).
The spelling of 198048005 in words is "one hundred ninety-eight million, forty-eight thousand, five".
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