Base | Representation |
---|---|
bin | 10001010001100… |
… | …111110011100001 |
3 | 202012100222222111 |
4 | 101101213303201 |
5 | 1043144112121 |
6 | 44432035321 |
7 | 10116350503 |
oct | 2121476341 |
9 | 665328874 |
10 | 289832161 |
11 | 13966a213 |
12 | 81092b41 |
13 | 4807aa28 |
14 | 2a6c7d73 |
15 | 1a6a12e1 |
hex | 11467ce1 |
289832161 has 8 divisors (see below), whose sum is σ = 292634624. Its totient is φ = 287038080.
The previous prime is 289832107. The next prime is 289832173. The reversal of 289832161 is 161238982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 289832161 - 213 = 289823969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (289832561) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83776 + ... + 87166.
It is an arithmetic number, because the mean of its divisors is an integer number (36579328).
Almost surely, 2289832161 is an apocalyptic number.
It is an amenable number.
289832161 is a deficient number, since it is larger than the sum of its proper divisors (2802463).
289832161 is a wasteful number, since it uses less digits than its factorization.
289832161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4191.
The product of its digits is 41472, while the sum is 40.
The square root of 289832161 is about 17024.4577299836. The cubic root of 289832161 is about 661.7828754332.
The spelling of 289832161 in words is "two hundred eighty-nine million, eight hundred thirty-two thousand, one hundred sixty-one".
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