Base | Representation |
---|---|
bin | 111001010011… |
… | …1000001000000 |
3 | 2002112101221001 |
4 | 1302213001000 |
5 | 30142403344 |
6 | 2551541344 |
7 | 513241330 |
oct | 162470100 |
9 | 62471831 |
10 | 30044224 |
11 | 15a60741 |
12 | a08a854 |
13 | 62bc162 |
14 | 3dc10c0 |
15 | 2986ed4 |
hex | 1ca7040 |
30044224 has 56 divisors (see below), whose sum is σ = 68681600. Its totient is φ = 12773376.
The previous prime is 30044213. The next prime is 30044227. The reversal of 30044224 is 42244003.
It is a tau number, because it is divible by the number of its divisors (56).
It is not an unprimeable number, because it can be changed into a prime (30044227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88984 + ... + 89320.
Almost surely, 230044224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34340800).
30044224 is an abundant number, since it is smaller than the sum of its proper divisors (38637376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30044224 is a wasteful number, since it uses less digits than its factorization.
30044224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555 (or 545 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 19.
The square root of 30044224 is about 5481.2611687457. The cubic root of 30044224 is about 310.8758581324.
Adding to 30044224 its reverse (42244003), we get a palindrome (72288227).
The spelling of 30044224 in words is "thirty million, forty-four thousand, two hundred twenty-four".
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