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544205331 = 3320155753
BaseRepresentation
bin100000011011111…
…110101000010011
31101221000111101000
4200123332220103
52103304032311
6130000113043
716325445315
oct4033765023
91357014330
10544205331
1125a20a57a
12132305783
1388991ab7
14523c17b5
1532b9b056
hex206fea13

544205331 has 8 divisors (see below), whose sum is σ = 806230160. Its totient is φ = 362803536.

The previous prime is 544205327. The next prime is 544205351. The reversal of 544205331 is 133502445.

544205331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 544205331 - 22 = 544205327 is a prime.

It is a super-2 number, since 2×5442053312 = 592318884577639122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20155753 = 544205331 / (5 + 4 + 4 + 2 + 0 + 5 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544205295 and 544205304.

It is not an unprimeable number, because it can be changed into a prime (544205351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10077850 + ... + 10077903.

It is an arithmetic number, because the mean of its divisors is an integer number (100778770).

Almost surely, 2544205331 is an apocalyptic number.

544205331 is a deficient number, since it is larger than the sum of its proper divisors (262024829).

544205331 is a wasteful number, since it uses less digits than its factorization.

544205331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20155762 (or 20155756 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 544205331 is about 23328.2089111016. The cubic root of 544205331 is about 816.4337146115.

Adding to 544205331 its reverse (133502445), we get a palindrome (677707776).

The spelling of 544205331 in words is "five hundred forty-four million, two hundred five thousand, three hundred thirty-one".

Divisors: 1 3 9 27 20155753 60467259 181401777 544205331