Base | Representation |
---|---|
bin | 1011111100001101001101 |
3 | 12220000210221 |
4 | 23330031031 |
5 | 1300131224 |
6 | 151031341 |
7 | 35414626 |
oct | 13741515 |
9 | 5800727 |
10 | 3130189 |
11 | 1848837 |
12 | 106b551 |
13 | 8579aa |
14 | 5b6a4d |
15 | 41c6e4 |
hex | 2fc34d |
3130189 has 4 divisors (see below), whose sum is σ = 3135456. Its totient is φ = 3124924.
The previous prime is 3130187. The next prime is 3130199. The reversal of 3130189 is 9810313.
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, and also an emirpimes, since its reverse is a distinct semiprime: 9810313 = 751 ⋅13063.
It is a cyclic number.
It is not a de Polignac number, because 3130189 - 21 = 3130187 is a prime.
It is a Duffinian number.
3130189 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3130187) 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, 1609 + ... + 2974.
It is an arithmetic number, because the mean of its divisors is an integer number (783864).
Almost surely, 23130189 is an apocalyptic number.
It is an amenable number.
3130189 is a deficient number, since it is larger than the sum of its proper divisors (5267).
3130189 is an equidigital number, since it uses as much as digits as its factorization.
3130189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5266.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 3130189 is about 1769.2340150472. The cubic root of 3130189 is about 146.2817633788.
The spelling of 3130189 in words is "three million, one hundred thirty thousand, one hundred eighty-nine".
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