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544425401 = 13971932237
BaseRepresentation
bin100000011100110…
…100010110111001
31101221102200020202
4200130310112321
52103333103101
6130004531545
716330353032
oct4034642671
91357380222
10544425401
1125a34a953
121323b0bb5
1388a3b010
145243ba89
1532be136b
hex207345b9

544425401 has 16 divisors (see below), whose sum is σ = 595683984. Its totient is φ = 494567424.

The previous prime is 544425397. The next prime is 544425407. The reversal of 544425401 is 104524445.

It can be written as a sum of positive squares in 8 ways, for example, as 21114025 + 523311376 = 4595^2 + 22876^2 .

It is not a de Polignac number, because 544425401 - 22 = 544425397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544425407) 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, 242255 + ... + 244491.

It is an arithmetic number, because the mean of its divisors is an integer number (37230249).

Almost surely, 2544425401 is an apocalyptic number.

It is an amenable number.

544425401 is a deficient number, since it is larger than the sum of its proper divisors (51258583).

544425401 is a wasteful number, since it uses less digits than its factorization.

544425401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 544425401 is about 23332.9252559554. The cubic root of 544425401 is about 816.5437517266.

Adding to 544425401 its reverse (104524445), we get a palindrome (648949846).

The spelling of 544425401 in words is "five hundred forty-four million, four hundred twenty-five thousand, four hundred one".

Divisors: 1 13 97 193 1261 2237 2509 18721 29081 216989 243373 431741 2820857 5612633 41878877 544425401