Base | Representation |
---|---|
bin | 1010011111100… |
… | …1000111101101 |
3 | 10001211001010120 |
4 | 2213321013231 |
5 | 42231341023 |
6 | 4211155153 |
7 | 1043044623 |
oct | 247710755 |
9 | 101731116 |
10 | 44012013 |
11 | 22930971 |
12 | 128a5ab9 |
13 | 916ca16 |
14 | 5bb9513 |
15 | 3ce58e3 |
hex | 29f91ed |
44012013 has 8 divisors (see below), whose sum is σ = 59342400. Its totient is φ = 29011488.
The previous prime is 44012011. The next prime is 44012039. The reversal of 44012013 is 31021044.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 44012013 - 21 = 44012011 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 44011983 and 44012001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (44012011) 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, 82153 + ... + 82686.
It is an arithmetic number, because the mean of its divisors is an integer number (7417800).
Almost surely, 244012013 is an apocalyptic number.
It is an amenable number.
44012013 is a deficient number, since it is larger than the sum of its proper divisors (15330387).
44012013 is a wasteful number, since it uses less digits than its factorization.
44012013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164931.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 44012013 is about 6634.1550328584. The cubic root of 44012013 is about 353.0669594534.
Adding to 44012013 its reverse (31021044), we get a palindrome (75033057).
The spelling of 44012013 in words is "forty-four million, twelve thousand, thirteen".
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