Base | Representation |
---|---|
bin | 110011010010… |
… | …010100111101 |
3 | 221022001021020 |
4 | 303102110331 |
5 | 11420210123 |
6 | 1200054353 |
7 | 222163353 |
oct | 63222475 |
9 | 27261236 |
10 | 13444413 |
11 | 7652a94 |
12 | 46043b9 |
13 | 2a29598 |
14 | 1add7d3 |
15 | 12a87e3 |
hex | cd253d |
13444413 has 8 divisors (see below), whose sum is σ = 18103776. Its totient is φ = 8874000.
The previous prime is 13444373. The next prime is 13444469. The reversal of 13444413 is 31444431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13444413 - 28 = 13444157 is a prime.
It is a super-3 number, since 3×134444133 (a number of 22 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13424413) 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 7 ways as a sum of consecutive naturals, for example, 21883 + ... + 22488.
It is an arithmetic number, because the mean of its divisors is an integer number (2262972).
Almost surely, 213444413 is an apocalyptic number.
It is an amenable number.
13444413 is a deficient number, since it is larger than the sum of its proper divisors (4659363).
13444413 is a wasteful number, since it uses less digits than its factorization.
13444413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44475.
The product of its digits is 2304, while the sum is 24.
The square root of 13444413 is about 3666.6623787854. The cubic root of 13444413 is about 237.7828976117.
Adding to 13444413 its reverse (31444431), we get a palindrome (44888844).
The spelling of 13444413 in words is "thirteen million, four hundred forty-four thousand, four hundred thirteen".
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