Base | Representation |
---|---|
bin | 111001110010… |
… | …1011100001001 |
3 | 2010000101200000 |
4 | 1303211130021 |
5 | 30224044123 |
6 | 3001233213 |
7 | 515354640 |
oct | 163453411 |
9 | 63011600 |
10 | 30299913 |
11 | 16115856 |
12 | a192809 |
13 | 637b657 |
14 | 404a357 |
15 | 29d7b43 |
hex | 1ce5709 |
30299913 has 48 divisors (see below), whose sum is σ = 53114880. Its totient is φ = 16901136.
The previous prime is 30299911. The next prime is 30299917. The reversal of 30299913 is 31999203.
It is not a de Polignac number, because 30299913 - 21 = 30299911 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30299911) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 79758 + ... + 80136.
It is an arithmetic number, because the mean of its divisors is an integer number (1106560).
Almost surely, 230299913 is an apocalyptic number.
It is an amenable number.
30299913 is a deficient number, since it is larger than the sum of its proper divisors (22814967).
30299913 is an equidigital number, since it uses as much as digits as its factorization.
30299913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 448 (or 436 counting only the distinct ones).
The product of its (nonzero) digits is 13122, while the sum is 36.
The square root of 30299913 is about 5504.5356752409. The cubic root of 30299913 is about 311.7552629568.
The spelling of 30299913 in words is "thirty million, two hundred ninety-nine thousand, nine hundred thirteen".
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