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2857003439 is a prime number
BaseRepresentation
bin1010101001001010…
…0110100110101111
321101002221210221012
42222102212212233
521322343102224
61151255255435
7130541062043
oct25222464657
97332853835
102857003439
111236781a74
1267897a57b
13366b982a4
141d1622023
1511ac4980e
hexaa4a69af

2857003439 has 2 divisors, whose sum is σ = 2857003440. Its totient is φ = 2857003438.

The previous prime is 2857003423. The next prime is 2857003441. The reversal of 2857003439 is 9343007582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2857003439 - 24 = 2857003423 is a prime.

Together with 2857003441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2857003396 and 2857003405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2857003939) 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, 1428501719 + 1428501720.

It is an arithmetic number, because the mean of its divisors is an integer number (1428501720).

Almost surely, 22857003439 is an apocalyptic number.

2857003439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2857003439 is an equidigital number, since it uses as much as digits as its factorization.

2857003439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2857003439 is about 53450.9442292650. The cubic root of 2857003439 is about 1418.9603311912.

The spelling of 2857003439 in words is "two billion, eight hundred fifty-seven million, three thousand, four hundred thirty-nine".