Base | Representation |
---|---|
bin | 110010000001… |
… | …010001111001 |
3 | 220200011212222 |
4 | 302001101321 |
5 | 11324044231 |
6 | 1145013425 |
7 | 216311456 |
oct | 62012171 |
9 | 26604788 |
10 | 13112441 |
11 | 7446631 |
12 | 4484275 |
13 | 2941454 |
14 | 1a5482d |
15 | 124027b |
hex | c81479 |
13112441 has 4 divisors (see below), whose sum is σ = 13125492. Its totient is φ = 13099392.
The previous prime is 13112431. The next prime is 13112443. The reversal of 13112441 is 14421131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 4932841 = 2860^2 + 2221^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13112441 is a prime.
It is a super-2 number, since 2×131124412 = 343872217956962, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13112443) 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, 4880 + ... + 7073.
It is an arithmetic number, because the mean of its divisors is an integer number (3281373).
Almost surely, 213112441 is an apocalyptic number.
It is an amenable number.
13112441 is a deficient number, since it is larger than the sum of its proper divisors (13051).
13112441 is a wasteful number, since it uses less digits than its factorization.
13112441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13050.
The product of its digits is 96, while the sum is 17.
The square root of 13112441 is about 3621.1104650369. The cubic root of 13112441 is about 235.8094375213.
Adding to 13112441 its reverse (14421131), we get a palindrome (27533572).
The spelling of 13112441 in words is "thirteen million, one hundred twelve thousand, four hundred forty-one".
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