Base | Representation |
---|---|
bin | 111010000001… |
… | …1010100100000 |
3 | 2010020121120000 |
4 | 1310003110200 |
5 | 30242003204 |
6 | 3004020000 |
7 | 516404523 |
oct | 164032440 |
9 | 63217500 |
10 | 30422304 |
11 | 16199800 |
12 | a231600 |
13 | 63c2283 |
14 | 407cbba |
15 | 2a0e039 |
hex | 1d03520 |
30422304 has 180 divisors, whose sum is σ = 99358182. Its totient is φ = 9123840.
The previous prime is 30422297. The next prime is 30422321. The reversal of 30422304 is 40322403.
It can be written as a sum of positive squares in only one way, i.e., 26501904 + 3920400 = 5148^2 + 1980^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 313584 + ... + 313680.
Almost surely, 230422304 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 30422304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49679091).
30422304 is an abundant number, since it is smaller than the sum of its proper divisors (68935878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30422304 is a wasteful number, since it uses less digits than its factorization.
30422304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141 (or 113 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 30422304 is about 5515.6417577649. The cubic root of 30422304 is about 312.1744586441.
Adding to 30422304 its reverse (40322403), we get a palindrome (70744707).
Subtracting 30422304 from its reverse (40322403), we obtain a palindrome (9900099).
The spelling of 30422304 in words is "thirty million, four hundred twenty-two thousand, three hundred four".
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