Base | Representation |
---|---|
bin | 111001011011… |
… | …0011010110001 |
3 | 2002122121110200 |
4 | 1302312122301 |
5 | 30201413223 |
6 | 2553145413 |
7 | 513623265 |
oct | 162663261 |
9 | 62577420 |
10 | 30107313 |
11 | 15aa4085 |
12 | a0bb269 |
13 | 6311aa2 |
14 | 3dda0a5 |
15 | 299aa43 |
hex | 1cb66b1 |
30107313 has 12 divisors (see below), whose sum is σ = 43711668. Its totient is φ = 19968480.
The previous prime is 30107309. The next prime is 30107327. The reversal of 30107313 is 31370103.
Added to its reverse (31370103) it gives a triangular number (61477416 = T11088).
It can be written as a sum of positive squares in 2 ways, for example, as 29517489 + 589824 = 5433^2 + 768^2 .
It is not a de Polignac number, because 30107313 - 22 = 30107309 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30107303) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6718 + ... + 10263.
It is an arithmetic number, because the mean of its divisors is an integer number (3642639).
Almost surely, 230107313 is an apocalyptic number.
It is an amenable number.
30107313 is a deficient number, since it is larger than the sum of its proper divisors (13604355).
30107313 is a wasteful number, since it uses less digits than its factorization.
30107313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17184 (or 17181 counting only the distinct ones).
The product of its (nonzero) digits is 189, while the sum is 18.
The square root of 30107313 is about 5487.0131219089. The cubic root of 30107313 is about 311.0933057506.
Adding to 30107313 its reverse (31370103), we get a palindrome (61477416).
The spelling of 30107313 in words is "thirty million, one hundred seven thousand, three hundred thirteen".
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