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27445079 is a prime number
BaseRepresentation
bin110100010110…
…0011101010111
31220122100120102
41220230131113
524011220304
62420124315
7452164544
oct150543527
956570512
1027445079
1114545992
12923669b
1358bc0bc
143905bcb
152621d1e
hex1a2c757

27445079 has 2 divisors, whose sum is σ = 27445080. Its totient is φ = 27445078.

The previous prime is 27445037. The next prime is 27445097. The reversal of 27445079 is 97054472.

Together with next prime (27445097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27445079 - 216 = 27379543 is a prime.

It is a super-2 number, since 2×274450792 = 1506464722632482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27415079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722539 + 13722540.

It is an arithmetic number, because the mean of its divisors is an integer number (13722540).

Almost surely, 227445079 is an apocalyptic number.

27445079 is a deficient number, since it is larger than the sum of its proper divisors (1).

27445079 is an equidigital number, since it uses as much as digits as its factorization.

27445079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 27445079 is about 5238.8051118552. The cubic root of 27445079 is about 301.6394649356.

The spelling of 27445079 in words is "twenty-seven million, four hundred forty-five thousand, seventy-nine".