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61395227 is a prime number
BaseRepresentation
bin1110101000110…
…1000100011011
311021112012102022
43222031010123
5111204121402
610031525055
71343564555
oct352150433
9137465368
1061395227
1131724163
121868978b
13c94804a
1482224d5
1555cb2a2
hex3a8d11b

61395227 has 2 divisors, whose sum is σ = 61395228. Its totient is φ = 61395226.

The previous prime is 61395199. The next prime is 61395239. The reversal of 61395227 is 72259316.

61395227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61395227 is a prime.

It is not a weakly prime, because it can be changed into another prime (61395727) 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, 30697613 + 30697614.

It is an arithmetic number, because the mean of its divisors is an integer number (30697614).

Almost surely, 261395227 is an apocalyptic number.

61395227 is a deficient number, since it is larger than the sum of its proper divisors (1).

61395227 is an equidigital number, since it uses as much as digits as its factorization.

61395227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 61395227 is about 7835.5106406666. The cubic root of 61395227 is about 394.4980581550.

The spelling of 61395227 in words is "sixty-one million, three hundred ninety-five thousand, two hundred twenty-seven".