Base | Representation |
---|---|
bin | 111001011111… |
… | …0011001110001 |
3 | 2002201021022221 |
4 | 1302332121301 |
5 | 30203440032 |
6 | 2554001041 |
7 | 514120525 |
oct | 162763161 |
9 | 62637287 |
10 | 30140017 |
11 | 16016706 |
12 | a116181 |
13 | 632393b |
14 | 4007d85 |
15 | 29a5597 |
hex | 1cbe671 |
30140017 has 4 divisors (see below), whose sum is σ = 30589936. Its totient is φ = 29690100.
The previous prime is 30139999. The next prime is 30140041. The reversal of 30140017 is 71004103.
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 a de Polignac number, because none of the positive numbers 2k-30140017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30140057) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224859 + ... + 224992.
It is an arithmetic number, because the mean of its divisors is an integer number (7647484).
Almost surely, 230140017 is an apocalyptic number.
It is an amenable number.
30140017 is a deficient number, since it is larger than the sum of its proper divisors (449919).
30140017 is an equidigital number, since it uses as much as digits as its factorization.
30140017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 449918.
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 30140017 is about 5489.9924407963. The cubic root of 30140017 is about 311.2059064541.
The spelling of 30140017 in words is "thirty million, one hundred forty thousand, seventeen".
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