Base | Representation |
---|---|
bin | 111001011100… |
… | …0010111110101 |
3 | 2002200000110010 |
4 | 1302320113311 |
5 | 30202142232 |
6 | 2553250433 |
7 | 513655521 |
oct | 162702765 |
9 | 62600403 |
10 | 30115317 |
11 | 15aaa0a1 |
12 | a103a19 |
13 | 631561b |
14 | 3ddcd81 |
15 | 299d0cc |
hex | 1cb85f5 |
30115317 has 8 divisors (see below), whose sum is σ = 40281696. Its totient is φ = 20012912.
The previous prime is 30115301. The next prime is 30115333. The reversal of 30115317 is 71351103.
It is an interprime number because it is at equal distance from previous prime (30115301) and next prime (30115333).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30115317 - 24 = 30115301 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30115293 and 30115302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30115387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14883 + ... + 16784.
It is an arithmetic number, because the mean of its divisors is an integer number (5035212).
Almost surely, 230115317 is an apocalyptic number.
It is an amenable number.
30115317 is a deficient number, since it is larger than the sum of its proper divisors (10166379).
30115317 is a wasteful number, since it uses less digits than its factorization.
30115317 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31987.
The product of its (nonzero) digits is 315, while the sum is 21.
The square root of 30115317 is about 5487.7424320024. The cubic root of 30115317 is about 311.1208712594.
The spelling of 30115317 in words is "thirty million, one hundred fifteen thousand, three hundred seventeen".
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