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27713669 is a prime number
BaseRepresentation
bin110100110111…
…0000010000101
31221011000000012
41221232002011
524043314134
62430000005
7454363604
oct151560205
957130005
1027713669
1114709765
129346005
135984429
143975a3b
1526766ce
hex1a6e085

27713669 has 2 divisors, whose sum is σ = 27713670. Its totient is φ = 27713668.

The previous prime is 27713641. The next prime is 27713671. The reversal of 27713669 is 96631772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 2211169 = 5050^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 27713669 - 216 = 27648133 is a prime.

It is a super-2 number, since 2×277136692 = 1536094898883122, which contains 22 as substring.

Together with 27713671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27713639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856834 + 13856835.

It is an arithmetic number, because the mean of its divisors is an integer number (13856835).

Almost surely, 227713669 is an apocalyptic number.

It is an amenable number.

27713669 is a deficient number, since it is larger than the sum of its proper divisors (1).

27713669 is an equidigital number, since it uses as much as digits as its factorization.

27713669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 27713669 is about 5264.3773610941. The cubic root of 27713669 is about 302.6202659100.

It can be divided in two parts, 27713 and 669, that added together give a palindrome (28382).

The spelling of 27713669 in words is "twenty-seven million, seven hundred thirteen thousand, six hundred sixty-nine".