Base | Representation |
---|---|
bin | 111001010011… |
… | …0100011000111 |
3 | 2002112022022012 |
4 | 1302212203013 |
5 | 30142323221 |
6 | 2551524435 |
7 | 513232625 |
oct | 162464307 |
9 | 62468265 |
10 | 30042311 |
11 | 15a5a262 |
12 | a08971b |
13 | 62bb320 |
14 | 3dc0515 |
15 | 298665b |
hex | 1ca68c7 |
30042311 has 8 divisors (see below), whose sum is σ = 32398800. Its totient is φ = 27692352.
The previous prime is 30042263. The next prime is 30042323. The reversal of 30042311 is 11324003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30042311 - 210 = 30041287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30042011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12536 + ... + 14738.
It is an arithmetic number, because the mean of its divisors is an integer number (4049850).
Almost surely, 230042311 is an apocalyptic number.
30042311 is a deficient number, since it is larger than the sum of its proper divisors (2356489).
30042311 is a wasteful number, since it uses less digits than its factorization.
30042311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3265.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 30042311 is about 5481.0866623326. The cubic root of 30042311 is about 310.8692598797.
Adding to 30042311 its reverse (11324003), we get a palindrome (41366314).
The spelling of 30042311 in words is "thirty million, forty-two thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •