Base | Representation |
---|---|
bin | 111001110100… |
… | …1101000010011 |
3 | 2010001021012122 |
4 | 1303221220103 |
5 | 30230121300 |
6 | 3001444455 |
7 | 515455655 |
oct | 163515023 |
9 | 63037178 |
10 | 30317075 |
11 | 16127738 |
12 | a1a072b |
13 | 63863c9 |
14 | 40526d5 |
15 | 29dcc85 |
hex | 1ce9a13 |
30317075 has 6 divisors (see below), whose sum is σ = 37593204. Its totient is φ = 24253640.
The previous prime is 30317047. The next prime is 30317117. The reversal of 30317075 is 57071303.
It is not a de Polignac number, because 30317075 - 214 = 30300691 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606317 + ... + 606366.
It is an arithmetic number, because the mean of its divisors is an integer number (6265534).
Almost surely, 230317075 is an apocalyptic number.
30317075 is a deficient number, since it is larger than the sum of its proper divisors (7276129).
30317075 is a wasteful number, since it uses less digits than its factorization.
30317075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1212693 (or 1212688 counting only the distinct ones).
The product of its (nonzero) digits is 2205, while the sum is 26.
The square root of 30317075 is about 5506.0943508080. The cubic root of 30317075 is about 311.8141116845.
Adding to 30317075 its reverse (57071303), we get a palindrome (87388378).
The spelling of 30317075 in words is "thirty million, three hundred seventeen thousand, seventy-five".
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