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1428514279 is a prime number
BaseRepresentation
bin101010100100101…
…0110010111100111
310200120000001012021
41111021112113213
510411144424104
6353430004011
750254112443
oct12511262747
93616001167
101428514279
116733a4a15
1233a4a6607
13199c5342a
14d7a15823
1585628754
hex552565e7

1428514279 has 2 divisors, whose sum is σ = 1428514280. Its totient is φ = 1428514278.

The previous prime is 1428514273. The next prime is 1428514289. The reversal of 1428514279 is 9724158241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1428514279 - 23 = 1428514271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428514271) 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, 714257139 + 714257140.

It is an arithmetic number, because the mean of its divisors is an integer number (714257140).

Almost surely, 21428514279 is an apocalyptic number.

1428514279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428514279 is an equidigital number, since it uses as much as digits as its factorization.

1428514279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 1428514279 is about 37795.6912755938. The cubic root of 1428514279 is about 1126.2328618405.

The spelling of 1428514279 in words is "one billion, four hundred twenty-eight million, five hundred fourteen thousand, two hundred seventy-nine".