Base | Representation |
---|---|
bin | 111001110111… |
… | …0110000000000 |
3 | 2010002022222102 |
4 | 1303232300000 |
5 | 30231304143 |
6 | 3002125532 |
7 | 515604056 |
oct | 163566000 |
9 | 63068872 |
10 | 30338048 |
11 | 16141474 |
12 | a1b08a8 |
13 | 6392b10 |
14 | 405a1d6 |
15 | 29e40b8 |
hex | 1ceec00 |
30338048 has 88 divisors (see below), whose sum is σ = 68091408. Its totient is φ = 13418496.
The previous prime is 30338029. The next prime is 30338071. The reversal of 30338048 is 84083303.
It is a self number, because there is not a number n which added to its sum of digits gives 30338048.
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 7 ways as a sum of consecutive naturals, for example, 572390 + ... + 572442.
It is an arithmetic number, because the mean of its divisors is an integer number (773766).
Almost surely, 230338048 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 30338048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34045704).
30338048 is an abundant number, since it is smaller than the sum of its proper divisors (37753360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30338048 is a wasteful number, since it uses less digits than its factorization.
30338048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129 (or 111 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 29.
The square root of 30338048 is about 5507.9985475670. The cubic root of 30338048 is about 311.8859982360.
The spelling of 30338048 in words is "thirty million, three hundred thirty-eight thousand, forty-eight".
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