Base | Representation |
---|---|
bin | 111001101011… |
… | …1010011111011 |
3 | 2002220110021200 |
4 | 1303113103323 |
5 | 30220221133 |
6 | 3000105243 |
7 | 515024136 |
oct | 163272373 |
9 | 62813250 |
10 | 30242043 |
11 | 16086327 |
12 | a165223 |
13 | 635b200 |
14 | 403321d |
15 | 29c5913 |
hex | 1cd74fb |
30242043 has 36 divisors (see below), whose sum is σ = 48246120. Its totient is φ = 18240768.
The previous prime is 30242039. The next prime is 30242057. The reversal of 30242043 is 34024203.
It is not a de Polignac number, because 30242043 - 22 = 30242039 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30242843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89571 + ... + 89907.
It is an arithmetic number, because the mean of its divisors is an integer number (1340170).
Almost surely, 230242043 is an apocalyptic number.
30242043 is a deficient number, since it is larger than the sum of its proper divisors (18004077).
30242043 is a wasteful number, since it uses less digits than its factorization.
30242043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428 (or 412 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 30242043 is about 5499.2765887887. The cubic root of 30242043 is about 311.5566620016.
Adding to 30242043 its reverse (34024203), we get a palindrome (64266246).
The spelling of 30242043 in words is "thirty million, two hundred forty-two thousand, forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •