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544427 = 1341879
BaseRepresentation
bin10000100111010101011
31000122210222
42010322223
5114410202
615400255
74425152
oct2047253
91018728
10544427
11342044
1222308b
13160a60
14102599
15ab4a2
hex84eab

544427 has 4 divisors (see below), whose sum is σ = 586320. Its totient is φ = 502536.

The previous prime is 544403. The next prime is 544429. The reversal of 544427 is 724445.

544427 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: 724445 = 5144889.

It is a cyclic number.

It is not a de Polignac number, because 544427 - 28 = 544171 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544396 and 544405.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 544427.

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, 20927 + ... + 20952.

It is an arithmetic number, because the mean of its divisors is an integer number (146580).

2544427 is an apocalyptic number.

544427 is a deficient number, since it is larger than the sum of its proper divisors (41893).

544427 is a wasteful number, since it uses less digits than its factorization.

544427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41892.

The product of its digits is 4480, while the sum is 26.

The square root of 544427 is about 737.8529663829. The cubic root of 544427 is about 81.6544551133.

The spelling of 544427 in words is "five hundred forty-four thousand, four hundred twenty-seven".

Divisors: 1 13 41879 544427