Base | Representation |
---|---|
bin | 111001110100… |
… | …1111100110001 |
3 | 2010001100000011 |
4 | 1303221330301 |
5 | 30230142020 |
6 | 3001454521 |
7 | 515462536 |
oct | 163517461 |
9 | 63040004 |
10 | 30318385 |
11 | 16128719 |
12 | a1a1441 |
13 | 6386b96 |
14 | 4052d8d |
15 | 29dd35a |
hex | 1ce9f31 |
30318385 has 16 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 23632960.
The previous prime is 30318373. The next prime is 30318391. The reversal of 30318385 is 58381303.
It is not a de Polignac number, because 30318385 - 27 = 30318257 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, 50316 + ... + 50914.
It is an arithmetic number, because the mean of its divisors is an integer number (2332800).
Almost surely, 230318385 is an apocalyptic number.
It is an amenable number.
30318385 is a deficient number, since it is larger than the sum of its proper divisors (7006415).
30318385 is a wasteful number, since it uses less digits than its factorization.
30318385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 848.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 30318385 is about 5506.2133086178. The cubic root of 30318385 is about 311.8186027796.
Adding to 30318385 its reverse (58381303), we get a palindrome (88699688).
It can be divided in two parts, 30318 and 385, that added together give a palindrome (30703).
The spelling of 30318385 in words is "thirty million, three hundred eighteen thousand, three hundred eighty-five".
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