Base | Representation |
---|---|
bin | 111001011100… |
… | …0011010111010 |
3 | 2002200000201102 |
4 | 1302320122322 |
5 | 30202144024 |
6 | 2553251402 |
7 | 513656222 |
oct | 162703272 |
9 | 62600642 |
10 | 30115514 |
11 | 15aaa260 |
12 | a103b62 |
13 | 6315740 |
14 | 3ddd082 |
15 | 299d1ae |
hex | 1cb86ba |
30115514 has 32 divisors (see below), whose sum is σ = 54915840. Its totient is φ = 12196800.
The previous prime is 30115507. The next prime is 30115529. The reversal of 30115514 is 41551103.
It is a Curzon number.
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, 6479 + ... + 10109.
It is an arithmetic number, because the mean of its divisors is an integer number (1716120).
Almost surely, 230115514 is an apocalyptic number.
30115514 is a deficient number, since it is larger than the sum of its proper divisors (24800326).
30115514 is a wasteful number, since it uses less digits than its factorization.
30115514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3686.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 30115514 is about 5487.7603810662. The cubic root of 30115514 is about 311.1215496592.
Adding to 30115514 its reverse (41551103), we get a palindrome (71666617).
The spelling of 30115514 in words is "thirty million, one hundred fifteen thousand, five hundred fourteen".
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