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44840149 = 139322591
BaseRepresentation
bin1010101100001…
…1010011010101
310010101010010021
42223003103111
542434341044
64241025141
71053064204
oct253032325
9103333107
1044840149
1123347082
12130251b1
13939c943
145d5323b
153e0ae84
hex2ac34d5

44840149 has 4 divisors (see below), whose sum is σ = 45162880. Its totient is φ = 44517420.

The previous prime is 44840141. The next prime is 44840207. The reversal of 44840149 is 94104844.

44840149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44840149 - 23 = 44840141 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 (44840141) 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 3 ways as a sum of consecutive naturals, for example, 161157 + ... + 161434.

It is an arithmetic number, because the mean of its divisors is an integer number (11290720).

Almost surely, 244840149 is an apocalyptic number.

It is an amenable number.

44840149 is a deficient number, since it is larger than the sum of its proper divisors (322731).

44840149 is a wasteful number, since it uses less digits than its factorization.

44840149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322730.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 44840149 is about 6696.2787427048. The cubic root of 44840149 is about 355.2676656193.

The spelling of 44840149 in words is "forty-four million, eight hundred forty thousand, one hundred forty-nine".

Divisors: 1 139 322591 44840149