Base | Representation |
---|---|
bin | 111001010001… |
… | …0100001011110 |
3 | 2002111110200111 |
4 | 1302202201132 |
5 | 30141311242 |
6 | 2551320234 |
7 | 513133561 |
oct | 162424136 |
9 | 62443614 |
10 | 30025822 |
11 | 15a48932 |
12 | a08007a |
13 | 62b3978 |
14 | 3db84d8 |
15 | 2981817 |
hex | 1ca285e |
30025822 has 8 divisors (see below), whose sum is σ = 45086400. Its totient is φ = 14997024.
The previous prime is 30025819. The next prime is 30025843. The reversal of 30025822 is 22852003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30025793 and 30025802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5422 + ... + 9457.
It is an arithmetic number, because the mean of its divisors is an integer number (5635800).
Almost surely, 230025822 is an apocalyptic number.
30025822 is a deficient number, since it is larger than the sum of its proper divisors (15060578).
30025822 is a wasteful number, since it uses less digits than its factorization.
30025822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15890.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 30025822 is about 5479.5822833497. The cubic root of 30025822 is about 310.8123749826.
Adding to 30025822 its reverse (22852003), we get a palindrome (52877825).
The spelling of 30025822 in words is "thirty million, twenty-five thousand, eight hundred twenty-two".
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