Base | Representation |
---|---|
bin | 10110101011011… |
… | …00001001000101 |
3 | 111020221221122100 |
4 | 23111230021011 |
5 | 342200011310 |
6 | 30513222313 |
7 | 4466654406 |
oct | 1325541105 |
9 | 436857570 |
10 | 190235205 |
11 | 98423586 |
12 | 53861999 |
13 | 30548814 |
14 | 1b39d9ad |
15 | 11a7aec0 |
hex | b56c245 |
190235205 has 24 divisors (see below), whose sum is σ = 332347392. Its totient is φ = 100656864.
The previous prime is 190235197. The next prime is 190235233. The reversal of 190235205 is 502532091.
It is not a de Polignac number, because 190235205 - 23 = 190235197 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10929 + ... + 22358.
It is an arithmetic number, because the mean of its divisors is an integer number (13847808).
Almost surely, 2190235205 is an apocalyptic number.
190235205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
190235205 is a deficient number, since it is larger than the sum of its proper divisors (142112187).
190235205 is a wasteful number, since it uses less digits than its factorization.
190235205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33425 (or 33422 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 190235205 is about 13792.5778953755. The cubic root of 190235205 is about 575.1268327649.
Adding to 190235205 its reverse (502532091), we get a palindrome (692767296).
The spelling of 190235205 in words is "one hundred ninety million, two hundred thirty-five thousand, two hundred five".
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