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427225349 is a prime number
BaseRepresentation
bin11001011101101…
…111000100000101
31002202220022000002
4121131233010011
51333332202344
6110220531045
713405232645
oct3135570405
91082808002
10427225349
111aa180801
12bb0b0a85
136a684685
1440a50525
152779044e
hex1976f105

427225349 has 2 divisors, whose sum is σ = 427225350. Its totient is φ = 427225348.

The previous prime is 427225307. The next prime is 427225363. The reversal of 427225349 is 943522724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278556100 + 148669249 = 16690^2 + 12193^2 .

It is a cyclic number.

It is not a de Polignac number, because 427225349 - 28 = 427225093 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 (427225049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213612674 + 213612675.

It is an arithmetic number, because the mean of its divisors is an integer number (213612675).

Almost surely, 2427225349 is an apocalyptic number.

It is an amenable number.

427225349 is a deficient number, since it is larger than the sum of its proper divisors (1).

427225349 is an equidigital number, since it uses as much as digits as its factorization.

427225349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 427225349 is about 20669.4303017766. The cubic root of 427225349 is about 753.1572674180.

The spelling of 427225349 in words is "four hundred twenty-seven million, two hundred twenty-five thousand, three hundred forty-nine".