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27130739 is a prime number
BaseRepresentation
bin110011101111…
…1101101110011
31220001101101012
41213133231303
523421140424
62405301135
7446415236
oct147375563
956041335
1027130739
11143507a9
1291047ab
13580bcbc
14386341d
1525adb0e
hex19dfb73

27130739 has 2 divisors, whose sum is σ = 27130740. Its totient is φ = 27130738.

The previous prime is 27130717. The next prime is 27130757. The reversal of 27130739 is 93703172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27130739 - 224 = 10353523 is a prime.

It is a super-2 number, since 2×271307392 = 1472153997372242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27130769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13565369 + 13565370.

It is an arithmetic number, because the mean of its divisors is an integer number (13565370).

Almost surely, 227130739 is an apocalyptic number.

27130739 is a deficient number, since it is larger than the sum of its proper divisors (1).

27130739 is an equidigital number, since it uses as much as digits as its factorization.

27130739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 27130739 is about 5208.7175964915. The cubic root of 27130739 is about 300.4834390556.

The spelling of 27130739 in words is "twenty-seven million, one hundred thirty thousand, seven hundred thirty-nine".