Base | Representation |
---|---|
bin | 111010101110… |
… | …1101011000000 |
3 | 2010221102012200 |
4 | 1311131223000 |
5 | 30340324014 |
6 | 3015553200 |
7 | 522505500 |
oct | 165355300 |
9 | 63842180 |
10 | 30792384 |
11 | 16421857 |
12 | a38b800 |
13 | 64c185c |
14 | 4137a00 |
15 | 2a83a09 |
hex | 1d5dac0 |
30792384 has 126 divisors (see below), whose sum is σ = 102764844. Its totient is φ = 8789760.
The previous prime is 30792367. The next prime is 30792397. The reversal of 30792384 is 48329703.
It is a tau number, because it is divible by the number of its divisors (126).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27679 + ... + 28769.
It is an arithmetic number, because the mean of its divisors is an integer number (815594).
It is a vampire number, since it can be written as 3273 ⋅ 9408 (with its own digits).
Almost surely, 230792384 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 30792384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51382422).
30792384 is an abundant number, since it is smaller than the sum of its proper divisors (71972460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30792384 is a wasteful number, since it uses less digits than its factorization.
30792384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1123 (or 1103 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 30792384 is about 5549.0885738110. The cubic root of 30792384 is about 313.4352025294.
The spelling of 30792384 in words is "thirty million, seven hundred ninety-two thousand, three hundred eighty-four".
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