Base | Representation |
---|---|
bin | 111010000100… |
… | …0101011010011 |
3 | 2010021201122120 |
4 | 1310020223103 |
5 | 30243203433 |
6 | 3004305323 |
7 | 516525504 |
oct | 164105323 |
9 | 63251576 |
10 | 30444243 |
11 | 16204235 |
12 | a242243 |
13 | 63cc25b |
14 | 4086bab |
15 | 2a157b3 |
hex | 1d08ad3 |
30444243 has 8 divisors (see below), whose sum is σ = 40714128. Its totient is φ = 20235264.
The previous prime is 30444233. The next prime is 30444247. The reversal of 30444243 is 34244403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30444243 - 26 = 30444179 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (30444247) 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, 14046 + ... + 16067.
It is an arithmetic number, because the mean of its divisors is an integer number (5089266).
Almost surely, 230444243 is an apocalyptic number.
30444243 is a deficient number, since it is larger than the sum of its proper divisors (10269885).
30444243 is a wasteful number, since it uses less digits than its factorization.
30444243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30453.
The product of its (nonzero) digits is 4608, while the sum is 24.
The square root of 30444243 is about 5517.6301978295. The cubic root of 30444243 is about 312.2494819973.
Adding to 30444243 its reverse (34244403), we get a palindrome (64688646).
The spelling of 30444243 in words is "thirty million, four hundred forty-four thousand, two hundred forty-three".
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