Base | Representation |
---|---|
bin | 11111001010001011001101 |
3 | 120100222120202 |
4 | 133022023031 |
5 | 4042340031 |
6 | 451023245 |
7 | 126266552 |
oct | 37121315 |
9 | 16328522 |
10 | 8168141 |
11 | 4679933 |
12 | 289ab25 |
13 | 18ccb27 |
14 | 1128a29 |
15 | ab52cb |
hex | 7ca2cd |
8168141 has 4 divisors (see below), whose sum is σ = 8204352. Its totient is φ = 8131932.
The previous prime is 8168117. The next prime is 8168161. The reversal of 8168141 is 1418618.
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-8168141 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8168101) 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, 17765 + ... + 18218.
It is an arithmetic number, because the mean of its divisors is an integer number (2051088).
Almost surely, 28168141 is an apocalyptic number.
It is an amenable number.
8168141 is a deficient number, since it is larger than the sum of its proper divisors (36211).
8168141 is a wasteful number, since it uses less digits than its factorization.
8168141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36210.
The product of its digits is 1536, while the sum is 29.
The square root of 8168141 is about 2857.9959762043. The cubic root of 8168141 is about 201.3914715829.
The spelling of 8168141 in words is "eight million, one hundred sixty-eight thousand, one hundred forty-one".
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