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27120893 is a prime number
BaseRepresentation
bin110011101110…
…1010011111101
31220000212212112
41213131103331
523420332033
62405143405
7446344442
oct147352375
956025775
1027120893
1114344368
1290bab65
135807687
14385d9c9
1525aac48
hex19dd4fd

27120893 has 2 divisors, whose sum is σ = 27120894. Its totient is φ = 27120892.

The previous prime is 27120883. The next prime is 27120901. The reversal of 27120893 is 39802172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 3286969 = 4882^2 + 1813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27120893 is a prime.

It is a super-4 number, since 4×271208934 (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27120853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13560446 + 13560447.

It is an arithmetic number, because the mean of its divisors is an integer number (13560447).

Almost surely, 227120893 is an apocalyptic number.

It is an amenable number.

27120893 is a deficient number, since it is larger than the sum of its proper divisors (1).

27120893 is an equidigital number, since it uses as much as digits as its factorization.

27120893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 27120893 is about 5207.7723644568. The cubic root of 27120893 is about 300.4470852368.

The spelling of 27120893 in words is "twenty-seven million, one hundred twenty thousand, eight hundred ninety-three".