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44420205 = 358213607
BaseRepresentation
bin1010100101110…
…0110001101101
310002120210001210
42221130301231
542332421310
64224025033
71046364654
oct251346155
9102523053
1044420205
112308a615
1212a62179
13928375b
145c8419b
153d76820
hex2a5cc6d

44420205 has 16 divisors (see below), whose sum is σ = 71178624. Its totient is φ = 23655360.

The previous prime is 44420203. The next prime is 44420219. The reversal of 44420205 is 50202444.

It is not a de Polignac number, because 44420205 - 21 = 44420203 is a prime.

It is a super-2 number, since 2×444202052 = 3946309224484050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44420203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10512 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (4448664).

Almost surely, 244420205 is an apocalyptic number.

It is an amenable number.

44420205 is a deficient number, since it is larger than the sum of its proper divisors (26758419).

44420205 is a wasteful number, since it uses less digits than its factorization.

44420205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 44420205 is about 6664.8484603928. The cubic root of 44420205 is about 354.1551157171.

Adding to 44420205 its reverse (50202444), we get a palindrome (94622649).

The spelling of 44420205 in words is "forty-four million, four hundred twenty thousand, two hundred five".

Divisors: 1 3 5 15 821 2463 3607 4105 10821 12315 18035 54105 2961347 8884041 14806735 44420205