Base | Representation |
---|---|
bin | 111001110100… |
… | …1110111010111 |
3 | 2010001022112100 |
4 | 1303221313113 |
5 | 30230134124 |
6 | 3001453143 |
7 | 515461533 |
oct | 163516727 |
9 | 63038470 |
10 | 30318039 |
11 | 16128434 |
12 | a1a11b3 |
13 | 638698b |
14 | 4052bc3 |
15 | 29dd1c9 |
hex | 1ce9dd7 |
30318039 has 12 divisors (see below), whose sum is σ = 43970472. Its totient is φ = 20130000.
The previous prime is 30318011. The next prime is 30318047. The reversal of 30318039 is 93081303.
It is not a de Polignac number, because 30318039 - 25 = 30318007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30318049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4452 + ... + 8969.
It is an arithmetic number, because the mean of its divisors is an integer number (3664206).
Almost surely, 230318039 is an apocalyptic number.
30318039 is a deficient number, since it is larger than the sum of its proper divisors (13652433).
30318039 is a wasteful number, since it uses less digits than its factorization.
30318039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13678 (or 13675 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 30318039 is about 5506.1818894766. The cubic root of 30318039 is about 311.8174165945.
The spelling of 30318039 in words is "thirty million, three hundred eighteen thousand, thirty-nine".
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