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1427962069 is a prime number
BaseRepresentation
bin101010100011100…
…1111100011010101
310200111221222201001
41111013033203111
510411024241234
6353410103301
750246322502
oct12507174325
93614858631
101427962069
11673058046
1233a27ab31
13199abbc91
14d79104a9
1585569d14
hex551cf8d5

1427962069 has 2 divisors, whose sum is σ = 1427962070. Its totient is φ = 1427962068.

The previous prime is 1427961961. The next prime is 1427962099. The reversal of 1427962069 is 9602697241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1424081169 + 3880900 = 37737^2 + 1970^2 .

It is an emirp because it is prime and its reverse (9602697241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427962069 - 211 = 1427960021 is a prime.

It is a super-2 number, since 2×14279620692 = 4078151341005521522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427962099) 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, 713981034 + 713981035.

It is an arithmetic number, because the mean of its divisors is an integer number (713981035).

Almost surely, 21427962069 is an apocalyptic number.

It is an amenable number.

1427962069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427962069 is an equidigital number, since it uses as much as digits as its factorization.

1427962069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1427962069 is about 37788.3853716985. The cubic root of 1427962069 is about 1126.0877233537.

The spelling of 1427962069 in words is "one billion, four hundred twenty-seven million, nine hundred sixty-two thousand, sixty-nine".