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544469 = 5310273
BaseRepresentation
bin10000100111011010101
31000122212112
42010323111
5114410334
615400405
74425242
oct2047325
91018775
10544469
11342082
12223105
13160a93
141025c9
15ab4ce
hex84ed5

544469 has 4 divisors (see below), whose sum is σ = 554796. Its totient is φ = 534144.

The previous prime is 544451. The next prime is 544471. The reversal of 544469 is 964445.

It is a happy number.

544469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 964445 = 5192889.

It can be written as a sum of positive squares in 2 ways, for example, as 255025 + 289444 = 505^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 544469 - 212 = 540373 is a prime.

It is a super-2 number, since 2×5444692 = 592892983922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5084 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (138699).

2544469 is an apocalyptic number.

It is an amenable number.

544469 is a deficient number, since it is larger than the sum of its proper divisors (10327).

544469 is a wasteful number, since it uses less digits than its factorization.

544469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326.

The product of its digits is 17280, while the sum is 32.

The square root of 544469 is about 737.8814267889. The cubic root of 544469 is about 81.6565548126.

The spelling of 544469 in words is "five hundred forty-four thousand, four hundred sixty-nine".

Divisors: 1 53 10273 544469