Base | Representation |
---|---|
bin | 110011010001… |
… | …110000010001 |
3 | 221021221001021 |
4 | 303101300101 |
5 | 11420121230 |
6 | 1200035441 |
7 | 222153460 |
oct | 63216021 |
9 | 27257037 |
10 | 13442065 |
11 | 765124a |
12 | 4602b81 |
13 | 2a284b0 |
14 | 1adc9d7 |
15 | 12a7c7a |
hex | cd1c11 |
13442065 has 32 divisors (see below), whose sum is σ = 20514816. Its totient is φ = 8225280.
The previous prime is 13442057. The next prime is 13442069. The reversal of 13442065 is 56024431.
It is not a de Polignac number, because 13442065 - 23 = 13442057 is a prime.
It is a super-2 number, since 2×134420652 = 361378222928450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13442069) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13629 + ... + 14581.
It is an arithmetic number, because the mean of its divisors is an integer number (641088).
Almost surely, 213442065 is an apocalyptic number.
It is an amenable number.
13442065 is a deficient number, since it is larger than the sum of its proper divisors (7072751).
13442065 is a wasteful number, since it uses less digits than its factorization.
13442065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 13442065 is about 3666.3421826120. The cubic root of 13442065 is about 237.7690542715.
Adding to 13442065 its reverse (56024431), we get a palindrome (69466496).
The spelling of 13442065 in words is "thirteen million, four hundred forty-two thousand, sixty-five".
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