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544415423 = 6127132933
BaseRepresentation
bin100000011100110…
…001111010111111
31101221102011120012
4200130301322333
52103332243143
6130004413435
716330311656
oct4034617277
91357364505
10544415423
1125a343402
121323a727b
1388a36606
145243819d
1532bdd418
hex20731ebf

544415423 has 8 divisors (see below), whose sum is σ = 555398976. Its totient is φ = 533498400.

The previous prime is 544415413. The next prime is 544415437. The reversal of 544415423 is 324514445.

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 544415423 - 24 = 544415407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544415423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544415413) 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 7 ways as a sum of consecutive naturals, for example, 65 + ... + 32997.

It is an arithmetic number, because the mean of its divisors is an integer number (69424872).

Almost surely, 2544415423 is an apocalyptic number.

544415423 is a deficient number, since it is larger than the sum of its proper divisors (10983553).

544415423 is a wasteful number, since it uses less digits than its factorization.

544415423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33265.

The product of its digits is 38400, while the sum is 32.

The square root of 544415423 is about 23332.7114369505. The cubic root of 544415423 is about 816.5387632725.

Adding to 544415423 its reverse (324514445), we get a palindrome (868929868).

The spelling of 544415423 in words is "five hundred forty-four million, four hundred fifteen thousand, four hundred twenty-three".

Divisors: 1 61 271 16531 32933 2008913 8924843 544415423