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544404443 = 112961101277
BaseRepresentation
bin100000011100101…
…111001111011011
31101221101121111112
4200130233033123
52103331420233
6130004250535
716330234652
oct4034571733
91357347445
10544404443
1125a336130
121323a0a4b
1388a3160b
1452434199
1532bda048
hex2072f3db

544404443 has 32 divisors (see below), whose sum is σ = 632905920. Its totient is φ = 463680000.

The previous prime is 544404409. The next prime is 544404451. The reversal of 544404443 is 344404445.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 544404443 - 28 = 544404187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544404743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1965221 + ... + 1965497.

It is an arithmetic number, because the mean of its divisors is an integer number (19778310).

Almost surely, 2544404443 is an apocalyptic number.

544404443 is a deficient number, since it is larger than the sum of its proper divisors (88501477).

544404443 is a wasteful number, since it uses less digits than its factorization.

544404443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 61440, while the sum is 32.

The square root of 544404443 is about 23332.4761437787. The cubic root of 544404443 is about 816.5332738028.

Adding to 544404443 its reverse (344404445), we get a palindrome (888808888).

The spelling of 544404443 in words is "five hundred forty-four million, four hundred four thousand, four hundred forty-three".

Divisors: 1 11 29 61 101 277 319 671 1111 1769 2929 3047 6161 8033 16897 19459 27977 32219 67771 88363 178669 185867 307747 490013 811333 1706597 1965359 5390143 8924663 18772567 49491313 544404443