Base | Representation |
---|---|
bin | 111010111011… |
… | …0100011001011 |
3 | 2011010120222201 |
4 | 1311312203023 |
5 | 30402104113 |
6 | 3022101031 |
7 | 523411540 |
oct | 165664313 |
9 | 64116881 |
10 | 30894283 |
11 | 16491372 |
12 | a41a777 |
13 | 6529054 |
14 | 4162bc7 |
15 | 2aa3cdd |
hex | 1d768cb |
30894283 has 8 divisors (see below), whose sum is σ = 35974368. Its totient is φ = 25980864.
The previous prime is 30894263. The next prime is 30894289. The reversal of 30894283 is 38249803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30894283 - 213 = 30886091 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30894289) 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, 41266 + ... + 42007.
It is an arithmetic number, because the mean of its divisors is an integer number (4496796).
Almost surely, 230894283 is an apocalyptic number.
30894283 is a deficient number, since it is larger than the sum of its proper divisors (5080085).
30894283 is an equidigital number, since it uses as much as digits as its factorization.
30894283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83333.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 30894283 is about 5558.2625882554. The cubic root of 30894283 is about 313.7805646324.
The spelling of 30894283 in words is "thirty million, eight hundred ninety-four thousand, two hundred eighty-three".
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