Base | Representation |
---|---|
bin | 111010000100… |
… | …0101100011001 |
3 | 2010021201202011 |
4 | 1310020230121 |
5 | 30243204223 |
6 | 3004305521 |
7 | 516525634 |
oct | 164105431 |
9 | 63251664 |
10 | 30444313 |
11 | 16204299 |
12 | a2422a1 |
13 | 63cc2b3 |
14 | 4086c1b |
15 | 2a1580d |
hex | 1d08b19 |
30444313 has 8 divisors (see below), whose sum is σ = 31269888. Its totient is φ = 29628144.
The previous prime is 30444311. The next prime is 30444343. The reversal of 30444313 is 31344403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30444313 - 21 = 30444311 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30444311) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 4470 + ... + 8992.
It is an arithmetic number, because the mean of its divisors is an integer number (3908736).
Almost surely, 230444313 is an apocalyptic number.
It is an amenable number.
30444313 is a deficient number, since it is larger than the sum of its proper divisors (825575).
30444313 is a wasteful number, since it uses less digits than its factorization.
30444313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4703.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 30444313 is about 5517.6365411288. The cubic root of 30444313 is about 312.2497213140.
Adding to 30444313 its reverse (31344403), we get a palindrome (61788716).
The spelling of 30444313 in words is "thirty million, four hundred forty-four thousand, three hundred thirteen".
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