Base | Representation |
---|---|
bin | 111010011111… |
… | …0001010110001 |
3 | 2010200212012110 |
4 | 1310332022301 |
5 | 30322211340 |
6 | 3013115533 |
7 | 521430336 |
oct | 164761261 |
9 | 63625173 |
10 | 30663345 |
11 | 16343909 |
12 | a328ba9 |
13 | 6477bbb |
14 | 410298d |
15 | 2a5a680 |
hex | 1d3e2b1 |
30663345 has 16 divisors (see below), whose sum is σ = 49208832. Its totient is φ = 16304640.
The previous prime is 30663337. The next prime is 30663463. The reversal of 30663345 is 54336603.
It is not a de Polignac number, because 30663345 - 23 = 30663337 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400 + ... + 8190.
It is an arithmetic number, because the mean of its divisors is an integer number (3075552).
Almost surely, 230663345 is an apocalyptic number.
It is an amenable number.
30663345 is a deficient number, since it is larger than the sum of its proper divisors (18545487).
30663345 is a wasteful number, since it uses less digits than its factorization.
30663345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6152.
The product of its (nonzero) digits is 19440, while the sum is 30.
The square root of 30663345 is about 5537.4493225672. The cubic root of 30663345 is about 312.9967608466.
Adding to 30663345 its reverse (54336603), we get a palindrome (84999948).
The spelling of 30663345 in words is "thirty million, six hundred sixty-three thousand, three hundred forty-five".
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