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27013789 = 1161127317
BaseRepresentation
bin110011100001…
…1001010011101
31212211102221201
41213003022131
523403420124
62402555501
7445420255
oct147031235
955742851
1027013789
1114280950
129068b91
13579a9ba
143832965
152589144
hex19c329d

27013789 has 16 divisors (see below), whose sum is σ = 30283776. Its totient is φ = 23889600.

The previous prime is 27013783. The next prime is 27013837. The reversal of 27013789 is 98731072.

It is a cyclic number.

It is not a de Polignac number, because 27013789 - 23 = 27013781 is a prime.

It is a super-2 number, since 2×270137892 = 1459489592273042, 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 (27013781) 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 15 ways as a sum of consecutive naturals, for example, 85059 + ... + 85375.

It is an arithmetic number, because the mean of its divisors is an integer number (1892736).

Almost surely, 227013789 is an apocalyptic number.

It is an amenable number.

27013789 is a deficient number, since it is larger than the sum of its proper divisors (3269987).

27013789 is a wasteful number, since it uses less digits than its factorization.

27013789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 27013789 is about 5197.4791004871. The cubic root of 27013789 is about 300.0510616789.

The spelling of 27013789 in words is "twenty-seven million, thirteen thousand, seven hundred eighty-nine".

Divisors: 1 11 61 127 317 671 1397 3487 7747 19337 40259 85217 212707 442849 2455799 27013789