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544163131 = 667381547
BaseRepresentation
bin100000011011110…
…100010100111011
31101220221100111001
4200123310110323
52103301210011
6125555145431
716325211301
oct4033642473
91356840431
10544163131
1125a1908a6
121322a5277
1388978825
14523b0271
1532b8d7c1
hex206f453b

544163131 has 4 divisors (see below), whose sum is σ = 544251352. Its totient is φ = 544074912.

The previous prime is 544163093. The next prime is 544163171. The reversal of 544163131 is 131361445.

544163131 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.

It is a cyclic number.

It is not a de Polignac number, because 544163131 - 213 = 544154939 is a prime.

It is a super-2 number, since 2×5441631312 = 592227026279446322, which contains 22 as substring.

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 544163131.

It is not an unprimeable number, because it can be changed into a prime (544163171) 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, 34101 + ... + 47446.

It is an arithmetic number, because the mean of its divisors is an integer number (136062838).

Almost surely, 2544163131 is an apocalyptic number.

544163131 is a deficient number, since it is larger than the sum of its proper divisors (88221).

544163131 is an equidigital number, since it uses as much as digits as its factorization.

544163131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88220.

The product of its digits is 4320, while the sum is 28.

The square root of 544163131 is about 23327.3044092111. The cubic root of 544163131 is about 816.4126108165.

The spelling of 544163131 in words is "five hundred forty-four million, one hundred sixty-three thousand, one hundred thirty-one".

Divisors: 1 6673 81547 544163131