Base | Representation |
---|---|
bin | 111001010001… |
… | …0010100101100 |
3 | 2002111102120012 |
4 | 1302202110230 |
5 | 30141300004 |
6 | 2551312352 |
7 | 513131312 |
oct | 162422454 |
9 | 62442505 |
10 | 30025004 |
11 | 15a48259 |
12 | a07b6b8 |
13 | 62b3499 |
14 | 3db80b2 |
15 | 298146e |
hex | 1ca252c |
30025004 has 24 divisors (see below), whose sum is σ = 53446848. Its totient is φ = 14757120.
The previous prime is 30024983. The next prime is 30025007. The reversal of 30025004 is 40052003.
It is a self number, because there is not a number n which added to its sum of digits gives 30025004.
It is not an unprimeable number, because it can be changed into a prime (30025007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81629 + ... + 81995.
It is an arithmetic number, because the mean of its divisors is an integer number (2226952).
Almost surely, 230025004 is an apocalyptic number.
It is an amenable number.
30025004 is a deficient number, since it is larger than the sum of its proper divisors (23421844).
30025004 is a wasteful number, since it uses less digits than its factorization.
30025004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 665 (or 663 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 30025004 is about 5479.5076421153. The cubic root of 30025004 is about 310.8095524472.
Adding to 30025004 its reverse (40052003), we get a palindrome (70077007).
The spelling of 30025004 in words is "thirty million, twenty-five thousand, four".
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