Base | Representation |
---|---|
bin | 111001001110… |
… | …0111001110100 |
3 | 2002110022002222 |
4 | 1302130321310 |
5 | 30140042204 |
6 | 2551021512 |
7 | 513006506 |
oct | 162347164 |
9 | 62408088 |
10 | 30002804 |
11 | 15a32607 |
12 | a06a898 |
13 | 62a6350 |
14 | 3dadd76 |
15 | 2979abe |
hex | 1c9ce74 |
30002804 has 12 divisors (see below), whose sum is σ = 56543844. Its totient is φ = 13847424.
The previous prime is 30002771. The next prime is 30002809. The reversal of 30002804 is 40820003.
It can be written as a sum of positive squares in 2 ways, for example, as 6770404 + 23232400 = 2602^2 + 4820^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30002809) 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, 288437 + ... + 288540.
It is an arithmetic number, because the mean of its divisors is an integer number (4711987).
Almost surely, 230002804 is an apocalyptic number.
It is an amenable number.
30002804 is a deficient number, since it is larger than the sum of its proper divisors (26541040).
30002804 is a wasteful number, since it uses less digits than its factorization.
30002804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576994 (or 576992 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 30002804 is about 5477.4815380793. The cubic root of 30002804 is about 310.7329310493.
Adding to 30002804 its reverse (40820003), we get a palindrome (70822807).
The spelling of 30002804 in words is "thirty million, two thousand, eight hundred four".
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