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544249 = 2323663
BaseRepresentation
bin10000100110111111001
31000122120101
42010313321
5114403444
615355401
74424506
oct2046771
91018511
10544249
113419a2
12222b61
13160954
141024ad
15ab3d4
hex84df9

544249 has 4 divisors (see below), whose sum is σ = 567936. Its totient is φ = 520564.

The previous prime is 544223. The next prime is 544259. The reversal of 544249 is 942445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 544249 - 213 = 536057 is a prime.

It is a Duffinian number.

544249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (544259) 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 3 ways as a sum of consecutive naturals, for example, 11809 + ... + 11854.

It is an arithmetic number, because the mean of its divisors is an integer number (141984).

2544249 is an apocalyptic number.

It is an amenable number.

544249 is a deficient number, since it is larger than the sum of its proper divisors (23687).

544249 is a wasteful number, since it uses less digits than its factorization.

544249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23686.

The product of its digits is 5760, while the sum is 28.

The square root of 544249 is about 737.7323362846. The cubic root of 544249 is about 81.6455551890.

The spelling of 544249 in words is "five hundred forty-four thousand, two hundred forty-nine".

Divisors: 1 23 23663 544249