Base | Representation |
---|---|
bin | 111001110011… |
… | …0001110011101 |
3 | 2010000120002021 |
4 | 1303212032131 |
5 | 30224200013 |
6 | 3001300141 |
7 | 515400220 |
oct | 163461635 |
9 | 63016067 |
10 | 30303133 |
11 | 16118213 |
12 | a194651 |
13 | 637cc63 |
14 | 404b5b7 |
15 | 29d8a8d |
hex | 1ce639d |
30303133 has 8 divisors (see below), whose sum is σ = 34862720. Its totient is φ = 25801200.
The previous prime is 30303113. The next prime is 30303137. The reversal of 30303133 is 33130303.
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 30303133 - 29 = 30302621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30303137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13278 + ... + 15391.
It is an arithmetic number, because the mean of its divisors is an integer number (4357840).
Almost surely, 230303133 is an apocalyptic number.
It is an amenable number.
30303133 is a deficient number, since it is larger than the sum of its proper divisors (4559587).
30303133 is a wasteful number, since it uses less digits than its factorization.
30303133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28827.
The product of its (nonzero) digits is 243, while the sum is 16.
The square root of 30303133 is about 5504.8281535394. The cubic root of 30303133 is about 311.7663060731.
Adding to 30303133 its reverse (33130303), we get a palindrome (63433436).
The spelling of 30303133 in words is "thirty million, three hundred three thousand, one hundred thirty-three".
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