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389064853 is a prime number
BaseRepresentation
bin10111001100001…
…010100010010101
31000010002112122101
4113030022202111
51244100033403
6102335002101
712432665602
oct2714124225
91003075571
10389064853
1118a687201
12aa369331
13627b31b8
14399596a9
152425371d
hex1730a895

389064853 has 2 divisors, whose sum is σ = 389064854. Its totient is φ = 389064852.

The previous prime is 389064833. The next prime is 389064859. The reversal of 389064853 is 358460983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233264529 + 155800324 = 15273^2 + 12482^2 .

It is an emirp because it is prime and its reverse (358460983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-389064853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389064859) 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, 194532426 + 194532427.

It is an arithmetic number, because the mean of its divisors is an integer number (194532427).

Almost surely, 2389064853 is an apocalyptic number.

It is an amenable number.

389064853 is a deficient number, since it is larger than the sum of its proper divisors (1).

389064853 is an equidigital number, since it uses as much as digits as its factorization.

389064853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 389064853 is about 19724.7269436107. The cubic root of 389064853 is about 730.0299312179.

The spelling of 389064853 in words is "three hundred eighty-nine million, sixty-four thousand, eight hundred fifty-three".