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544017081 = 3181339027
BaseRepresentation
bin100000011011010…
…000101010111001
31101220122221010210
4200123100222321
52103232021311
6125552101333
716324032426
oct4033205271
91356587123
10544017081
1125a0a10a3
12132234849
13889271ca
1452372d4d
1532b603a6
hex206d0ab9

544017081 has 4 divisors (see below), whose sum is σ = 725356112. Its totient is φ = 362678052.

The previous prime is 544017079. The next prime is 544017107. The reversal of 544017081 is 180710445.

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 not a de Polignac number, because 544017081 - 21 = 544017079 is a prime.

It is a super-2 number, since 2×5440170812 = 591909168839521122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544017041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90669511 + ... + 90669516.

It is an arithmetic number, because the mean of its divisors is an integer number (181339028).

Almost surely, 2544017081 is an apocalyptic number.

It is an amenable number.

544017081 is a deficient number, since it is larger than the sum of its proper divisors (181339031).

544017081 is a wasteful number, since it uses less digits than its factorization.

544017081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181339030.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 544017081 is about 23324.1737474235. The cubic root of 544017081 is about 816.3395642586.

The spelling of 544017081 in words is "five hundred forty-four million, seventeen thousand, eighty-one".

Divisors: 1 3 181339027 544017081