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27147313 = 73373997
BaseRepresentation
bin110011110001…
…1110000110001
31220002020010001
41213203300301
523422203223
62405510001
7446514454
oct147436061
956066101
1027147313
11143621a6
129112301
1358166cb
14386949b
1525b39ad
hex19e3c31

27147313 has 8 divisors (see below), whose sum is σ = 27620648. Its totient is φ = 26676864.

The previous prime is 27147311. The next prime is 27147331. The reversal of 27147313 is 31374172.

It can be written as a sum of positive squares in 4 ways, for example, as 9941409 + 17205904 = 3153^2 + 4148^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27147313 - 21 = 27147311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27147311) 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 in 7 ways as a sum of consecutive naturals, for example, 26731 + ... + 27727.

It is an arithmetic number, because the mean of its divisors is an integer number (3452581).

Almost surely, 227147313 is an apocalyptic number.

It is an amenable number.

27147313 is a deficient number, since it is larger than the sum of its proper divisors (473335).

27147313 is an equidigital number, since it uses as much as digits as its factorization.

27147313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its digits is 3528, while the sum is 28.

The square root of 27147313 is about 5210.3083402041. The cubic root of 27147313 is about 300.5446144225.

The spelling of 27147313 in words is "twenty-seven million, one hundred forty-seven thousand, three hundred thirteen".

Divisors: 1 73 373 997 27229 72781 371881 27147313