Base | Representation |
---|---|
bin | 111001110011… |
… | …0101101000111 |
3 | 2010000122202221 |
4 | 1303212231013 |
5 | 30224230340 |
6 | 3001313211 |
7 | 515406022 |
oct | 163465507 |
9 | 63018687 |
10 | 30305095 |
11 | 16119737 |
12 | a195807 |
13 | 6380b12 |
14 | 404c1b9 |
15 | 29d944a |
hex | 1ce6b47 |
30305095 has 8 divisors (see below), whose sum is σ = 38280240. Its totient is φ = 22968000.
The previous prime is 30305069. The next prime is 30305129. The reversal of 30305095 is 59050303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30305095 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159406 + ... + 159595.
It is an arithmetic number, because the mean of its divisors is an integer number (4785030).
Almost surely, 230305095 is an apocalyptic number.
30305095 is a deficient number, since it is larger than the sum of its proper divisors (7975145).
30305095 is a wasteful number, since it uses less digits than its factorization.
30305095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 319025.
The product of its (nonzero) digits is 2025, while the sum is 25.
The square root of 30305095 is about 5505.0063578528. The cubic root of 30305095 is about 311.7730344455.
Adding to 30305095 its reverse (59050303), we get a palindrome (89355398).
The spelling of 30305095 in words is "thirty million, three hundred five thousand, ninety-five".
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