Base | Representation |
---|---|
bin | 1010101100001… |
… | …11000001011001 |
3 | 20020202022120220 |
4 | 11112013001121 |
5 | 140424311014 |
6 | 12522110253 |
7 | 2136166404 |
oct | 526070131 |
9 | 206668526 |
10 | 89682009 |
11 | 4669446a |
12 | 2604b389 |
13 | 157702a1 |
14 | bca6d3b |
15 | 7d176a9 |
hex | 5587059 |
89682009 has 4 divisors (see below), whose sum is σ = 119576016. Its totient is φ = 59788004.
The previous prime is 89682001. The next prime is 89682023. The reversal of 89682009 is 90028698.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 89682009 - 23 = 89682001 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (89682001) 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, 14946999 + ... + 14947004.
It is an arithmetic number, because the mean of its divisors is an integer number (29894004).
Almost surely, 289682009 is an apocalyptic number.
It is an amenable number.
89682009 is a deficient number, since it is larger than the sum of its proper divisors (29894007).
89682009 is a wasteful number, since it uses less digits than its factorization.
89682009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29894006.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 89682009 is about 9470.0585531453. The cubic root of 89682009 is about 447.6120568707.
The spelling of 89682009 in words is "eighty-nine million, six hundred eighty-two thousand, nine".
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