Base | Representation |
---|---|
bin | 10111100111000… |
… | …10101101011011 |
3 | 111210200112110120 |
4 | 23303202231123 |
5 | 401200422031 |
6 | 31353044323 |
7 | 4623330000 |
oct | 1363425533 |
9 | 453615416 |
10 | 198060891 |
11 | a1889096 |
12 | 563b66a3 |
13 | 320587c2 |
14 | 1c4398a7 |
15 | 125c4a96 |
hex | bce2b5b |
198060891 has 40 divisors (see below), whose sum is σ = 318372864. Its totient is φ = 109403280.
The previous prime is 198060871. The next prime is 198060893.
198060891 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 198060891 - 26 = 198060827 is a prime.
It is not an unprimeable number, because it can be changed into a prime (198060893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 222850 + ... + 223736.
Almost surely, 2198060891 is an apocalyptic number.
198060891 is a deficient number, since it is larger than the sum of its proper divisors (120311973).
198060891 is an frugal number, since it uses more digits than its factorization.
198060891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949 (or 928 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 42.
The square root of 198060891 is about 14073.4107806175. The cubic root of 198060891 is about 582.9074099748.
The spelling of 198060891 in words is "one hundred ninety-eight million, sixty thousand, eight hundred ninety-one".
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