Base | Representation |
---|---|
bin | 111001110011… |
… | …1000000111110 |
3 | 2010000201112000 |
4 | 1303213000332 |
5 | 30224300431 |
6 | 3001323130 |
7 | 515412516 |
oct | 163470076 |
9 | 63021460 |
10 | 30306366 |
11 | 1611a692 |
12 | a1964a6 |
13 | 638157c |
14 | 404c846 |
15 | 29d99e6 |
hex | 1ce703e |
30306366 has 16 divisors (see below), whose sum is σ = 67347600. Its totient is φ = 10102104.
The previous prime is 30306361. The next prime is 30306373. The reversal of 30306366 is 66360303.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30306361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280561 + ... + 280668.
It is an arithmetic number, because the mean of its divisors is an integer number (4209225).
Almost surely, 230306366 is an apocalyptic number.
30306366 is an abundant number, since it is smaller than the sum of its proper divisors (37041234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30306366 is a wasteful number, since it uses less digits than its factorization.
30306366 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 561240 (or 561234 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
The square root of 30306366 is about 5505.1217970178. The cubic root of 30306366 is about 311.7773929864. Note that the first 3 decimals are identical.
Adding to 30306366 its reverse (66360303), we get a palindrome (96666669).
The spelling of 30306366 in words is "thirty million, three hundred six thousand, three hundred sixty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •