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44011 = 114001
BaseRepresentation
bin1010101111101011
32020101001
422233223
52402021
6535431
7242212
oct125753
966331
1044011
1130080
1221577
1317056
1412079
15d091
hexabeb

44011 has 4 divisors (see below), whose sum is σ = 48024. Its totient is φ = 40000.

The previous prime is 43997. The next prime is 44017. The reversal of 44011 is 11044.

It is a semiprime because it is the product of two primes.

It is a 6-Lehmer number, since φ(44011) divides (44011-1)6.

It is a cyclic number.

It is not a de Polignac number, because 44011 - 29 = 43499 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (44017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (12006).

244011 is an apocalyptic number.

44011 is a deficient number, since it is larger than the sum of its proper divisors (4013).

44011 is a wasteful number, since it uses less digits than its factorization.

44011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 44011 is about 209.7879882167. The cubic root of 44011 is about 35.3064250651.

Adding to 44011 its reverse (11044), we get a palindrome (55055).

The spelling of 44011 in words is "forty-four thousand, eleven", and thus it is an iban number.

Divisors: 1 11 4001 44011