Base | Representation |
---|---|
bin | 10111101000011… |
… | …11001010000000 |
3 | 111211000210012021 |
4 | 23310033022000 |
5 | 401222233234 |
6 | 31401011224 |
7 | 4625015524 |
oct | 1364171200 |
9 | 454023167 |
10 | 198242944 |
11 | a19a2949 |
12 | 56483b14 |
13 | 320c0623 |
14 | 1c485d84 |
15 | 1260d9b4 |
hex | bd0f280 |
198242944 has 32 divisors (see below), whose sum is σ = 395918100. Its totient is φ = 98875392.
The previous prime is 198242909. The next prime is 198242951. The reversal of 198242944 is 449242891.
It can be written as a sum of positive squares in 2 ways, for example, as 150798400 + 47444544 = 12280^2 + 6888^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a self number, because there is not a number n which added to its sum of digits gives 198242944.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56802 + ... + 60190.
Almost surely, 2198242944 is an apocalyptic number.
It is an amenable number.
198242944 is a deficient number, since it is larger than the sum of its proper divisors (197675156).
198242944 is an equidigital number, since it uses as much as digits as its factorization.
198242944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3860 (or 3848 counting only the distinct ones).
The product of its digits is 165888, while the sum is 43.
The square root of 198242944 is about 14079.8772721924. The cubic root of 198242944 is about 583.0859536277.
The spelling of 198242944 in words is "one hundred ninety-eight million, two hundred forty-two thousand, nine hundred forty-four".
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