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44380205 = 537239893
BaseRepresentation
bin1010100101001…
…1000000101101
310002111202012022
42221103000231
542330131310
64223115525
71046140232
oct251230055
9102452168
1044380205
1123062561
1212a42ba5
13926b49c
145c73789
153d69a55
hex2a5302d

44380205 has 8 divisors (see below), whose sum is σ = 54695832. Its totient is φ = 34544448.

The previous prime is 44380177. The next prime is 44380223. The reversal of 44380205 is 50208344.

It can be written as a sum of positive squares in 4 ways, for example, as 21215236 + 23164969 = 4606^2 + 4813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44380205 - 212 = 44376109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 119762 + ... + 120131.

It is an arithmetic number, because the mean of its divisors is an integer number (6836979).

Almost surely, 244380205 is an apocalyptic number.

It is an amenable number.

44380205 is a deficient number, since it is larger than the sum of its proper divisors (10315627).

44380205 is a wasteful number, since it uses less digits than its factorization.

44380205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239935.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 44380205 is about 6661.8469661198. The cubic root of 44380205 is about 354.0487792805.

Adding to 44380205 its reverse (50208344), we get a palindrome (94588549).

The spelling of 44380205 in words is "forty-four million, three hundred eighty thousand, two hundred five".

Divisors: 1 5 37 185 239893 1199465 8876041 44380205