Base | Representation |
---|---|
bin | 111001010011… |
… | …1000100001001 |
3 | 2002112102012111 |
4 | 1302213010021 |
5 | 30142410200 |
6 | 2551542321 |
7 | 513242035 |
oct | 162470411 |
9 | 62472174 |
10 | 30044425 |
11 | 15a60904 |
12 | a08a9a1 |
13 | 62bc288 |
14 | 3dc11c5 |
15 | 29870ba |
hex | 1ca7109 |
30044425 has 12 divisors (see below), whose sum is σ = 38457856. Its totient is φ = 23259600.
The previous prime is 30044419. The next prime is 30044447. The reversal of 30044425 is 52444003.
It is a happy number.
It is not a de Polignac number, because 30044425 - 27 = 30044297 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30044396 and 30044405.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 18609 + ... + 20158.
Almost surely, 230044425 is an apocalyptic number.
It is an amenable number.
30044425 is a deficient number, since it is larger than the sum of its proper divisors (8413431).
30044425 is a wasteful number, since it uses less digits than its factorization.
30044425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38808 (or 38803 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 30044425 is about 5481.2795039115. The cubic root of 30044425 is about 310.8765513983.
Adding to 30044425 its reverse (52444003), we get a palindrome (82488428).
The spelling of 30044425 in words is "thirty million, forty-four thousand, four hundred twenty-five".
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