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27284069 is a prime number
BaseRepresentation
bin110100000010…
…1001001100101
31220100011201002
41220011021211
523441042234
62412443045
7450624251
oct150051145
956304632
1027284069
1114445a1a
129179485
135863a27
1438a3261
1525de27e
hex1a05265

27284069 has 2 divisors, whose sum is σ = 27284070. Its totient is φ = 27284068.

The previous prime is 27284053. The next prime is 27284113. The reversal of 27284069 is 96048272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20367169 + 6916900 = 4513^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 27284069 - 24 = 27284053 is a prime.

It is a super-2 number, since 2×272840692 = 1488840842393522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27484069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13642034 + 13642035.

It is an arithmetic number, because the mean of its divisors is an integer number (13642035).

Almost surely, 227284069 is an apocalyptic number.

It is an amenable number.

27284069 is a deficient number, since it is larger than the sum of its proper divisors (1).

27284069 is an equidigital number, since it uses as much as digits as its factorization.

27284069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 27284069 is about 5223.4154535132. The cubic root of 27284069 is about 301.0484390575.

The spelling of 27284069 in words is "twenty-seven million, two hundred eighty-four thousand, sixty-nine".