Base | Representation |
---|---|
bin | 10111101100111… |
… | …10100000110101 |
3 | 111212010121200000 |
4 | 23312132200311 |
5 | 401400031013 |
6 | 31421341513 |
7 | 4633012455 |
oct | 1366364065 |
9 | 455117600 |
10 | 198830133 |
11 | a2264027 |
12 | 56707899 |
13 | 32267988 |
14 | 1c599d65 |
15 | 126c7973 |
hex | bd9e835 |
198830133 has 12 divisors (see below), whose sum is σ = 297836448. Its totient is φ = 132553260.
The previous prime is 198830131. The next prime is 198830141. The reversal of 198830133 is 331038891.
It is not a de Polignac number, because 198830133 - 21 = 198830131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198830131) 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, 408873 + ... + 409358.
It is an arithmetic number, because the mean of its divisors is an integer number (24819704).
Almost surely, 2198830133 is an apocalyptic number.
It is an amenable number.
198830133 is a deficient number, since it is larger than the sum of its proper divisors (99006315).
198830133 is an frugal number, since it uses more digits than its factorization.
198830133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 818246 (or 818234 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 198830133 is about 14100.7139180965. The cubic root of 198830133 is about 583.6610798933.
The spelling of 198830133 in words is "one hundred ninety-eight million, eight hundred thirty thousand, one hundred thirty-three".
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