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44012141 = 181243161
BaseRepresentation
bin1010011111100…
…1001001101101
310001211001022022
42213321021231
542231342031
64211155525
71043045165
oct247711155
9101731268
1044012141
1122930a78
12128a5ba5
13916cab4
145bb95a5
153ce597b
hex29f926d

44012141 has 4 divisors (see below), whose sum is σ = 44255484. Its totient is φ = 43768800.

The previous prime is 44012123. The next prime is 44012153. The reversal of 44012141 is 14121044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3422500 + 40589641 = 1850^2 + 6371^2 .

It is a cyclic number.

It is not a de Polignac number, because 44012141 - 210 = 44011117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44012641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121400 + ... + 121761.

It is an arithmetic number, because the mean of its divisors is an integer number (11063871).

Almost surely, 244012141 is an apocalyptic number.

It is an amenable number.

44012141 is a deficient number, since it is larger than the sum of its proper divisors (243343).

44012141 is a wasteful number, since it uses less digits than its factorization.

44012141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243342.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 44012141 is about 6634.1646798975. The cubic root of 44012141 is about 353.0673017276.

Adding to 44012141 its reverse (14121044), we get a palindrome (58133185).

The spelling of 44012141 in words is "forty-four million, twelve thousand, one hundred forty-one".

Divisors: 1 181 243161 44012141