Base | Representation |
---|---|
bin | 111001110100… |
… | …0001011000010 |
3 | 2010000222000120 |
4 | 1303220023002 |
5 | 30224423411 |
6 | 3001401110 |
7 | 515432400 |
oct | 163501302 |
9 | 63028016 |
10 | 30311106 |
11 | 16123201 |
12 | a199196 |
13 | 6383787 |
14 | 4050470 |
15 | 29db106 |
hex | 1ce82c2 |
30311106 has 24 divisors (see below), whose sum is σ = 70520400. Its totient is φ = 8660232.
The previous prime is 30311093. The next prime is 30311129. The reversal of 30311106 is 60111303.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51256 + ... + 51843.
It is an arithmetic number, because the mean of its divisors is an integer number (2938350).
Almost surely, 230311106 is an apocalyptic number.
30311106 is an abundant number, since it is smaller than the sum of its proper divisors (40209294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311106 is a wasteful number, since it uses less digits than its factorization.
30311106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103118 (or 103111 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 30311106 is about 5505.5522883722. The cubic root of 30311106 is about 311.7936464231.
Adding to 30311106 its reverse (60111303), we get a palindrome (90422409).
The spelling of 30311106 in words is "thirty million, three hundred eleven thousand, one hundred six".
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