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27310949 is a prime number
BaseRepresentation
bin110100000101…
…1101101100101
31220101112120122
41220023231211
523442422244
62413211325
7451065521
oct150135545
956345518
1027310949
1114464136
129190b45
135873033
1438acd81
1525e71ee
hex1a0bb65

27310949 has 2 divisors, whose sum is σ = 27310950. Its totient is φ = 27310948.

The previous prime is 27310939. The next prime is 27310951. The reversal of 27310949 is 94901372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 1249924 = 5105^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 27310949 - 28 = 27310693 is a prime.

Together with 27310951, 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 (27310919) 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 as a sum of consecutive naturals, namely, 13655474 + 13655475.

It is an arithmetic number, because the mean of its divisors is an integer number (13655475).

Almost surely, 227310949 is an apocalyptic number.

It is an amenable number.

27310949 is a deficient number, since it is larger than the sum of its proper divisors (1).

27310949 is an equidigital number, since it uses as much as digits as its factorization.

27310949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 27310949 is about 5225.9878492013. The cubic root of 27310949 is about 301.1472699424.

The spelling of 27310949 in words is "twenty-seven million, three hundred ten thousand, nine hundred forty-nine".