Base | Representation |
---|---|
bin | 111001110000… |
… | …1110010110111 |
3 | 2002222122012001 |
4 | 1303201302313 |
5 | 30223104413 |
6 | 3001040131 |
7 | 515263261 |
oct | 163416267 |
9 | 62878161 |
10 | 30284983 |
11 | 16105613 |
12 | a186047 |
13 | 6374911 |
14 | 4044b31 |
15 | 29d34dd |
hex | 1ce1cb7 |
30284983 has 2 divisors, whose sum is σ = 30284984. Its totient is φ = 30284982.
The previous prime is 30284977. The next prime is 30285001. The reversal of 30284983 is 38948203.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30284983 is a prime.
It is a super-3 number, since 3×302849833 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30284953) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15142491 + 15142492.
It is an arithmetic number, because the mean of its divisors is an integer number (15142492).
Almost surely, 230284983 is an apocalyptic number.
30284983 is a deficient number, since it is larger than the sum of its proper divisors (1).
30284983 is an equidigital number, since it uses as much as digits as its factorization.
30284983 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 30284983 is about 5503.1793537918. The cubic root of 30284983 is about 311.7040497099.
The spelling of 30284983 in words is "thirty million, two hundred eighty-four thousand, nine hundred eighty-three".
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