Base | Representation |
---|---|
bin | 111001011100… |
… | …0011000000010 |
3 | 2002200000110121 |
4 | 1302320120002 |
5 | 30202142310 |
6 | 2553250454 |
7 | 513655540 |
oct | 162703002 |
9 | 62600417 |
10 | 30115330 |
11 | 15aaa103 |
12 | a103a2a |
13 | 631562b |
14 | 3ddcd90 |
15 | 299d0da |
hex | 1cb8602 |
30115330 has 32 divisors (see below), whose sum is σ = 65598336. Its totient is φ = 9717504.
The previous prime is 30115301. The next prime is 30115333. The reversal of 30115330 is 3351103.
It is not an unprimeable number, because it can be changed into a prime (30115333) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11464 + ... + 13843.
It is an arithmetic number, because the mean of its divisors is an integer number (2049948).
Almost surely, 230115330 is an apocalyptic number.
30115330 is an abundant number, since it is smaller than the sum of its proper divisors (35483006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30115330 is a wasteful number, since it uses less digits than its factorization.
30115330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25338.
The product of its (nonzero) digits is 135, while the sum is 16.
The square root of 30115330 is about 5487.7436164602. The cubic root of 30115330 is about 311.1209160270.
Adding to 30115330 its reverse (3351103), we get a palindrome (33466433).
The spelling of 30115330 in words is "thirty million, one hundred fifteen thousand, three hundred thirty".
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