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27052543 = 711633323
BaseRepresentation
bin110011100110…
…0100111111111
31212220102010001
41213030213333
523411140133
62403455131
7445641250
oct147144777
955812101
1027052543
11142a7a81
1290874a7
1357b252b
143842b27
15259587d
hex19cc9ff

27052543 has 8 divisors (see below), whose sum is σ = 30953088. Its totient is φ = 23160984.

The previous prime is 27052517. The next prime is 27052549. The reversal of 27052543 is 34525072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27052543 - 25 = 27052511 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27052549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6480 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (3869136).

Almost surely, 227052543 is an apocalyptic number.

27052543 is a deficient number, since it is larger than the sum of its proper divisors (3900545).

27052543 is a wasteful number, since it uses less digits than its factorization.

27052543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 27052543 is about 5201.2059178617. The cubic root of 27052543 is about 300.1944776047.

The spelling of 27052543 in words is "twenty-seven million, fifty-two thousand, five hundred forty-three".

Divisors: 1 7 1163 3323 8141 23261 3864649 27052543