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27220541 is a prime number
BaseRepresentation
bin110011111010…
…1101000111101
31220012221120012
41213311220331
523432024131
62411233005
7450241115
oct147655075
956187505
1027220541
1114402217
129148765
135840b3a
143888045
1525ca52b
hex19f5a3d

27220541 has 2 divisors, whose sum is σ = 27220542. Its totient is φ = 27220540.

The previous prime is 27220517. The next prime is 27220601. The reversal of 27220541 is 14502272.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23136100 + 4084441 = 4810^2 + 2021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27220541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27220441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13610270 + 13610271.

It is an arithmetic number, because the mean of its divisors is an integer number (13610271).

Almost surely, 227220541 is an apocalyptic number.

It is an amenable number.

27220541 is a deficient number, since it is larger than the sum of its proper divisors (1).

27220541 is an equidigital number, since it uses as much as digits as its factorization.

27220541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 27220541 is about 5217.3308309901. The cubic root of 27220541 is about 300.8146045810.

The spelling of 27220541 in words is "twenty-seven million, two hundred twenty thousand, five hundred forty-one".