Base | Representation |
---|---|
bin | 10111101001111… |
… | …11100100001110 |
3 | 111211101212012012 |
4 | 23310333210032 |
5 | 401300104410 |
6 | 31405141222 |
7 | 4626502601 |
oct | 1364774416 |
9 | 454355165 |
10 | 198441230 |
11 | a2018919 |
12 | 5655a812 |
13 | 3215c960 |
14 | 1c4d8338 |
15 | 1264c605 |
hex | bd3f90e |
198441230 has 64 divisors (see below), whose sum is σ = 407102976. Its totient is φ = 69120000.
The previous prime is 198441211. The next prime is 198441239. The reversal of 198441230 is 32144891.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198441239) 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 31 ways as a sum of consecutive naturals, for example, 164630 + ... + 165830.
It is an arithmetic number, because the mean of its divisors is an integer number (6360984).
Almost surely, 2198441230 is an apocalyptic number.
198441230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
198441230 is an abundant number, since it is smaller than the sum of its proper divisors (208661746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198441230 is a wasteful number, since it uses less digits than its factorization.
198441230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1293.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 198441230 is about 14086.9169799499. The cubic root of 198441230 is about 583.2802930459.
The spelling of 198441230 in words is "one hundred ninety-eight million, four hundred forty-one thousand, two hundred thirty".
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