Base | Representation |
---|---|
bin | 10110100100111… |
… | …00000100110101 |
3 | 111012100122120220 |
4 | 23102130010311 |
5 | 341440223330 |
6 | 30443044553 |
7 | 4456504632 |
oct | 1322340465 |
9 | 435318526 |
10 | 189382965 |
11 | 979a1252 |
12 | 53510759 |
13 | 3030a935 |
14 | 1b21b189 |
15 | 1195d710 |
hex | b49c135 |
189382965 has 16 divisors (see below), whose sum is σ = 310060608. Its totient is φ = 98654976.
The previous prime is 189382903. The next prime is 189382981. The reversal of 189382965 is 569283981.
It is a happy number.
It is not a de Polignac number, because 189382965 - 212 = 189378869 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 15 ways as a sum of consecutive naturals, for example, 146164 + ... + 147453.
It is an arithmetic number, because the mean of its divisors is an integer number (19378788).
Almost surely, 2189382965 is an apocalyptic number.
189382965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
189382965 is a deficient number, since it is larger than the sum of its proper divisors (120677643).
189382965 is a wasteful number, since it uses less digits than its factorization.
189382965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293668.
The product of its digits is 933120, while the sum is 51.
The square root of 189382965 is about 13761.6483387710. The cubic root of 189382965 is about 574.2667048006.
The spelling of 189382965 in words is "one hundred eighty-nine million, three hundred eighty-two thousand, nine hundred sixty-five".
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