Base | Representation |
---|---|
bin | 10001010000011… |
… | …101000010000101 |
3 | 202011210102212020 |
4 | 101100131002011 |
5 | 1043104312033 |
6 | 44421313353 |
7 | 10113633546 |
oct | 2120350205 |
9 | 664712766 |
10 | 289525893 |
11 | 1394800a8 |
12 | 80b65859 |
13 | 47ca14c7 |
14 | 2a6484cd |
15 | 1a6406b3 |
hex | 1141d085 |
289525893 has 16 divisors (see below), whose sum is σ = 393684096. Its totient is φ = 189230400.
The previous prime is 289525853. The next prime is 289525897. The reversal of 289525893 is 398525982.
It is not a de Polignac number, because 289525893 - 29 = 289525381 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289525897) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26571 + ... + 35847.
It is an arithmetic number, because the mean of its divisors is an integer number (24605256).
Almost surely, 2289525893 is an apocalyptic number.
It is an amenable number.
289525893 is a deficient number, since it is larger than the sum of its proper divisors (104158203).
289525893 is a wasteful number, since it uses less digits than its factorization.
289525893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9484.
The product of its digits is 1555200, while the sum is 51.
The square root of 289525893 is about 17015.4604110497. The cubic root of 289525893 is about 661.5496894965.
The spelling of 289525893 in words is "two hundred eighty-nine million, five hundred twenty-five thousand, eight hundred ninety-three".
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