Base | Representation |
---|---|
bin | 10001010000111… |
… | …101100111101100 |
3 | 202012001012221220 |
4 | 101100331213230 |
5 | 1043123044442 |
6 | 44424223340 |
7 | 10115030652 |
oct | 2120754754 |
9 | 665035856 |
10 | 289659372 |
11 | 139561412 |
12 | 8100ab50 |
13 | 4801a1a2 |
14 | 2a680dd2 |
15 | 1a669eec |
hex | 1143d9ec |
289659372 has 12 divisors (see below), whose sum is σ = 675871896. Its totient is φ = 96553120.
The previous prime is 289659371. The next prime is 289659373. The reversal of 289659372 is 273956982.
It is an interprime number because it is at equal distance from previous prime (289659371) and next prime (289659373).
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (289659371) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12069129 + ... + 12069152.
It is an arithmetic number, because the mean of its divisors is an integer number (56322658).
Almost surely, 2289659372 is an apocalyptic number.
It is an amenable number.
289659372 is an abundant number, since it is smaller than the sum of its proper divisors (386212524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
289659372 is a wasteful number, since it uses less digits than its factorization.
289659372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24138288 (or 24138286 counting only the distinct ones).
The product of its digits is 1632960, while the sum is 51.
The square root of 289659372 is about 17019.3822449582. The cubic root of 289659372 is about 661.6513377735.
The spelling of 289659372 in words is "two hundred eighty-nine million, six hundred fifty-nine thousand, three hundred seventy-two".
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