Base | Representation |
---|---|
bin | 111001010011… |
… | …0011110100001 |
3 | 2002112021220022 |
4 | 1302212132201 |
5 | 30142321032 |
6 | 2551523225 |
7 | 513232025 |
oct | 162463641 |
9 | 62467808 |
10 | 30042017 |
11 | 15a5a015 |
12 | a089515 |
13 | 62bb155 |
14 | 3dc0385 |
15 | 2986512 |
hex | 1ca67a1 |
30042017 has 4 divisors (see below), whose sum is σ = 30465216. Its totient is φ = 29618820.
The previous prime is 30042013. The next prime is 30042031. The reversal of 30042017 is 71024003.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30042017 - 22 = 30042013 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30041986 and 30042004.
It is not an unprimeable number, because it can be changed into a prime (30042011) 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, 211493 + ... + 211634.
It is an arithmetic number, because the mean of its divisors is an integer number (7616304).
Almost surely, 230042017 is an apocalyptic number.
It is an amenable number.
30042017 is a deficient number, since it is larger than the sum of its proper divisors (423199).
30042017 is an equidigital number, since it uses as much as digits as its factorization.
30042017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 423198.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 30042017 is about 5481.0598427676. The cubic root of 30042017 is about 310.8682458004.
The spelling of 30042017 in words is "thirty million, forty-two thousand, seventeen".
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