Base | Representation |
---|---|
bin | 110100110001… |
… | …100101010101 |
3 | 222000212110220 |
4 | 310301211111 |
5 | 12020201311 |
6 | 1212304553 |
7 | 225410025 |
oct | 64614525 |
9 | 28025426 |
10 | 13834581 |
11 | 789a142 |
12 | 4772159 |
13 | 2b35057 |
14 | 1ba1a85 |
15 | 1334206 |
hex | d31955 |
13834581 has 8 divisors (see below), whose sum is σ = 18510240. Its totient is φ = 9190992.
The previous prime is 13834573. The next prime is 13834619. The reversal of 13834581 is 18543831.
13834581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13834581 - 23 = 13834573 is a prime.
It is a super-2 number, since 2×138345812 = 382791262891122, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13834571) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6991 + ... + 8748.
It is an arithmetic number, because the mean of its divisors is an integer number (2313780).
Almost surely, 213834581 is an apocalyptic number.
It is an amenable number.
13834581 is a deficient number, since it is larger than the sum of its proper divisors (4675659).
13834581 is a wasteful number, since it uses less digits than its factorization.
13834581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16035.
The product of its digits is 11520, while the sum is 33.
The square root of 13834581 is about 3719.4866581290. The cubic root of 13834581 is about 240.0612170229.
The spelling of 13834581 in words is "thirteen million, eight hundred thirty-four thousand, five hundred eighty-one".
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