Base | Representation |
---|---|
bin | 110011010001… |
… | …111100100111 |
3 | 221021222010112 |
4 | 303101330213 |
5 | 11420132410 |
6 | 1200043235 |
7 | 222155666 |
oct | 63217447 |
9 | 27258115 |
10 | 13442855 |
11 | 76518a8 |
12 | 460351b |
13 | 2a2896a |
14 | 1adcddd |
15 | 12a8105 |
hex | cd1f27 |
13442855 has 8 divisors (see below), whose sum is σ = 16405200. Its totient is φ = 10571776.
The previous prime is 13442831. The next prime is 13442857. The reversal of 13442855 is 55824431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13442855 - 26 = 13442791 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13442857) 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, 22490 + ... + 23079.
It is an arithmetic number, because the mean of its divisors is an integer number (2050650).
Almost surely, 213442855 is an apocalyptic number.
13442855 is a deficient number, since it is larger than the sum of its proper divisors (2962345).
13442855 is an equidigital number, since it uses as much as digits as its factorization.
13442855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45633.
The product of its digits is 19200, while the sum is 32.
The square root of 13442855 is about 3666.4499178361. The cubic root of 13442855 is about 237.7737121340.
The spelling of 13442855 in words is "thirteen million, four hundred forty-two thousand, eight hundred fifty-five".
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