Base | Representation |
---|---|
bin | 111001111111… |
… | …0001011011010 |
3 | 2010012112122221 |
4 | 1303332023122 |
5 | 30240314432 |
6 | 3003334254 |
7 | 516256234 |
oct | 163761332 |
9 | 63175587 |
10 | 30401242 |
11 | 161849a3 |
12 | a22138a |
13 | 63b5801 |
14 | 4075254 |
15 | 2a07b97 |
hex | 1cfe2da |
30401242 has 8 divisors (see below), whose sum is σ = 45625536. Its totient is φ = 15192732.
The previous prime is 30401227. The next prime is 30401249. The reversal of 30401242 is 24210403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30401249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4413 + ... + 8959.
It is an arithmetic number, because the mean of its divisors is an integer number (5703192).
Almost surely, 230401242 is an apocalyptic number.
30401242 is a deficient number, since it is larger than the sum of its proper divisors (15224294).
30401242 is a wasteful number, since it uses less digits than its factorization.
30401242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7892.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 30401242 is about 5513.7321298736. The cubic root of 30401242 is about 312.1024003677.
Adding to 30401242 its reverse (24210403), we get a palindrome (54611645).
The spelling of 30401242 in words is "thirty million, four hundred one thousand, two hundred forty-two".
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