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544502401 = 1773438761
BaseRepresentation
bin100000011101000…
…111001010000001
31101221120120212121
4200131013022001
52103343034101
6130010324241
716331123362
oct4035071201
91357516777
10544502401
1125a3a2793
12132429681
1388a67091
145245bb69
1532c090a1
hex20747281

544502401 has 8 divisors (see below), whose sum is σ = 584430984. Its totient is φ = 505451520.

The previous prime is 544502389. The next prime is 544502423. The reversal of 544502401 is 104205445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 242611776 + 301890625 = 15576^2 + 17375^2 .

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 544502401 - 211 = 544500353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544502461) by changing a digit.

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, 218140 + ... + 220621.

It is an arithmetic number, because the mean of its divisors is an integer number (73053873).

Almost surely, 2544502401 is an apocalyptic number.

It is an amenable number.

544502401 is a deficient number, since it is larger than the sum of its proper divisors (39928583).

544502401 is a wasteful number, since it uses less digits than its factorization.

544502401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438851.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 544502401 is about 23334.5752264746. The cubic root of 544502401 is about 816.5822454638.

Adding to 544502401 its reverse (104205445), we get a palindrome (648707846).

The spelling of 544502401 in words is "five hundred forty-four million, five hundred two thousand, four hundred one".

Divisors: 1 17 73 1241 438761 7458937 32029553 544502401