Base | Representation |
---|---|
bin | 1001010011100… |
… | …0110011111001 |
3 | 2201102221002220 |
4 | 2110320303321 |
5 | 34442430014 |
6 | 3512314253 |
7 | 652515054 |
oct | 224706371 |
9 | 81387086 |
10 | 39030009 |
11 | 20038907 |
12 | 110a2989 |
13 | 81171a5 |
14 | 527da9b |
15 | 365e6a9 |
hex | 2538cf9 |
39030009 has 16 divisors (see below), whose sum is σ = 55207680. Its totient is φ = 24457680.
The previous prime is 39030007. The next prime is 39030031. The reversal of 39030009 is 90003093.
It is not a de Polignac number, because 39030009 - 21 = 39030007 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (39030007) 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, 4854 + ... + 10080.
It is an arithmetic number, because the mean of its divisors is an integer number (3450480).
Almost surely, 239030009 is an apocalyptic number.
It is an amenable number.
39030009 is a deficient number, since it is larger than the sum of its proper divisors (16177671).
39030009 is a wasteful number, since it uses less digits than its factorization.
39030009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5380.
The product of its (nonzero) digits is 729, while the sum is 24.
The square root of 39030009 is about 6247.4001792746. The cubic root of 39030009 is about 339.2081022274.
The spelling of 39030009 in words is "thirty-nine million, thirty thousand, nine".
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