Base | Representation |
---|---|
bin | 10111101001100… |
… | …01011010010001 |
3 | 111211021220122202 |
4 | 23310301122101 |
5 | 401241230444 |
6 | 31404012545 |
7 | 4626141551 |
oct | 1364613221 |
9 | 454256582 |
10 | 198383249 |
11 | a1a892a9 |
12 | 56531155 |
13 | 3213c44c |
14 | 1c4c1161 |
15 | 1263a34e |
hex | bd31691 |
198383249 has 2 divisors, whose sum is σ = 198383250. Its totient is φ = 198383248.
The previous prime is 198383221. The next prime is 198383281. The reversal of 198383249 is 942383891.
It is a happy number.
198383249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 111091600 + 87291649 = 10540^2 + 9343^2 .
It is an emirp because it is prime and its reverse (942383891) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 198383249 - 28 = 198382993 is a prime.
It is not a weakly prime, because it can be changed into another prime (198383749) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99191624 + 99191625.
It is an arithmetic number, because the mean of its divisors is an integer number (99191625).
Almost surely, 2198383249 is an apocalyptic number.
It is an amenable number.
198383249 is a deficient number, since it is larger than the sum of its proper divisors (1).
198383249 is an equidigital number, since it uses as much as digits as its factorization.
198383249 is an evil number, because the sum of its binary digits is even.
The product of its digits is 373248, while the sum is 47.
The square root of 198383249 is about 14084.8588562328. The cubic root of 198383249 is about 583.2234794677.
The spelling of 198383249 in words is "one hundred ninety-eight million, three hundred eighty-three thousand, two hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •