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27886141 is a prime number
BaseRepresentation
bin110101001100…
…0001000111101
31221110202121001
41222120020331
524114324031
62433410301
7456012463
oct152301075
957422531
1027886141
11148172a8
129409991
135a14a9a
1439bc833
1526ac861
hex1a9823d

27886141 has 2 divisors, whose sum is σ = 27886142. Its totient is φ = 27886140.

The previous prime is 27886099. The next prime is 27886151. The reversal of 27886141 is 14168872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 60516 = 5275^2 + 246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27886141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27886141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27886151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13943070 + 13943071.

It is an arithmetic number, because the mean of its divisors is an integer number (13943071).

Almost surely, 227886141 is an apocalyptic number.

It is an amenable number.

27886141 is a deficient number, since it is larger than the sum of its proper divisors (1).

27886141 is an equidigital number, since it uses as much as digits as its factorization.

27886141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 37.

The square root of 27886141 is about 5280.7329983630. The cubic root of 27886141 is about 303.2467392261.

The spelling of 27886141 in words is "twenty-seven million, eight hundred eighty-six thousand, one hundred forty-one".