Base | Representation |
---|---|
bin | 111001100011… |
… | …0101101000011 |
3 | 2002202222222021 |
4 | 1303012231003 |
5 | 30211032034 |
6 | 2554422311 |
7 | 514321621 |
oct | 163065503 |
9 | 62688867 |
10 | 30174019 |
11 | 1603a207 |
12 | a131997 |
13 | 6336265 |
14 | 4016511 |
15 | 29b06b4 |
hex | 1cc6b43 |
30174019 has 4 divisors (see below), whose sum is σ = 30277296. Its totient is φ = 30070744.
The previous prime is 30174017. The next prime is 30174037. The reversal of 30174019 is 91047103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30174019 - 21 = 30174017 is a prime.
It is a super-2 number, since 2×301740192 = 1820942845224722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30173984 and 30174002.
It is not an unprimeable number, because it can be changed into a prime (30174017) 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 3 ways as a sum of consecutive naturals, for example, 51199 + ... + 51784.
It is an arithmetic number, because the mean of its divisors is an integer number (7569324).
Almost surely, 230174019 is an apocalyptic number.
30174019 is a deficient number, since it is larger than the sum of its proper divisors (103277).
30174019 is a wasteful number, since it uses less digits than its factorization.
30174019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103276.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 30174019 is about 5493.0882934830. The cubic root of 30174019 is about 311.3228898714.
The spelling of 30174019 in words is "thirty million, one hundred seventy-four thousand, nineteen".
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