Base | Representation |
---|---|
bin | 110101010101… |
… | …100111000101 |
3 | 222022100220101 |
4 | 311111213011 |
5 | 12034412044 |
6 | 1215404101 |
7 | 226563166 |
oct | 65254705 |
9 | 28270811 |
10 | 13982149 |
11 | 798aaa5 |
12 | 4823631 |
13 | 2b8727c |
14 | 1bdd76d |
15 | 1362cd4 |
hex | d559c5 |
13982149 has 4 divisors (see below), whose sum is σ = 14082880. Its totient is φ = 13881420.
The previous prime is 13982141. The next prime is 13982153. The reversal of 13982149 is 94128931.
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: 94128931 = 13 ⋅7240687.
It is a cyclic number.
It is not a de Polignac number, because 13982149 - 23 = 13982141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13982141) 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, 50157 + ... + 50434.
It is an arithmetic number, because the mean of its divisors is an integer number (3520720).
Almost surely, 213982149 is an apocalyptic number.
It is an amenable number.
13982149 is a deficient number, since it is larger than the sum of its proper divisors (100731).
13982149 is a wasteful number, since it uses less digits than its factorization.
13982149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100730.
The product of its digits is 15552, while the sum is 37.
The square root of 13982149 is about 3739.2711856724. The cubic root of 13982149 is about 240.9117460639.
The spelling of 13982149 in words is "thirteen million, nine hundred eighty-two thousand, one hundred forty-nine".
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