Base | Representation |
---|---|
bin | 10111101101000… |
… | …01111010111111 |
3 | 111212011022211010 |
4 | 23312201322333 |
5 | 401401002340 |
6 | 31421530303 |
7 | 4633101252 |
oct | 1366417277 |
9 | 455138733 |
10 | 198844095 |
11 | a227356a |
12 | 56713993 |
13 | 32271138 |
14 | 1c5a1099 |
15 | 126cbb80 |
hex | bda1ebf |
198844095 has 16 divisors (see below), whose sum is σ = 318689280. Its totient is φ = 105870624.
The previous prime is 198844057. The next prime is 198844099. The reversal of 198844095 is 590448891.
It is not a de Polignac number, because 198844095 - 29 = 198843583 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (198844099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1815 + ... + 20024.
It is an arithmetic number, because the mean of its divisors is an integer number (19918080).
Almost surely, 2198844095 is an apocalyptic number.
198844095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
198844095 is a deficient number, since it is larger than the sum of its proper divisors (119845185).
198844095 is a wasteful number, since it uses less digits than its factorization.
198844095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22454.
The product of its (nonzero) digits is 414720, while the sum is 48.
The square root of 198844095 is about 14101.2089907213. The cubic root of 198844095 is about 583.6747412787.
The spelling of 198844095 in words is "one hundred ninety-eight million, eight hundred forty-four thousand, ninety-five".
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