Base | Representation |
---|---|
bin | 10111101100011… |
… | …11001010001001 |
3 | 111212000102101200 |
4 | 23312033022021 |
5 | 401341022431 |
6 | 31420134413 |
7 | 4632331221 |
oct | 1366171211 |
9 | 455012350 |
10 | 198767241 |
11 | a2220852 |
12 | 56697409 |
13 | 3224516a |
14 | 1c581081 |
15 | 126b3ee6 |
hex | bd8f289 |
198767241 has 12 divisors (see below), whose sum is σ = 288829632. Its totient is φ = 131717016.
The previous prime is 198767209. The next prime is 198767243. The reversal of 198767241 is 142767891.
It is a happy number.
It is not a de Polignac number, because 198767241 - 25 = 198767209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (198767243) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64621 + ... + 67626.
It is an arithmetic number, because the mean of its divisors is an integer number (24069136).
Almost surely, 2198767241 is an apocalyptic number.
It is an amenable number.
198767241 is a deficient number, since it is larger than the sum of its proper divisors (90062391).
198767241 is a wasteful number, since it uses less digits than its factorization.
198767241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132420 (or 132417 counting only the distinct ones).
The product of its digits is 169344, while the sum is 45.
The square root of 198767241 is about 14098.4836418673. The cubic root of 198767241 is about 583.5995340851.
The spelling of 198767241 in words is "one hundred ninety-eight million, seven hundred sixty-seven thousand, two hundred forty-one".
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