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85230419 is a prime number
BaseRepresentation
bin1010001010010…
…00001101010011
312221101011011012
411011020031103
5133304333134
612242441135
72053306121
oct505101523
9187334135
1085230419
114412396a
12246631ab
1314872001
14b468911
1577386ce
hex5148353

85230419 has 2 divisors, whose sum is σ = 85230420. Its totient is φ = 85230418.

The previous prime is 85230361. The next prime is 85230437. The reversal of 85230419 is 91403258.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85230419 is a prime.

It is a super-2 number, since 2×852304192 = 14528448645831122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85230619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42615209 + 42615210.

It is an arithmetic number, because the mean of its divisors is an integer number (42615210).

Almost surely, 285230419 is an apocalyptic number.

85230419 is a deficient number, since it is larger than the sum of its proper divisors (1).

85230419 is an equidigital number, since it uses as much as digits as its factorization.

85230419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 85230419 is about 9232.0322248138. The cubic root of 85230419 is about 440.0799080078.

The spelling of 85230419 in words is "eighty-five million, two hundred thirty thousand, four hundred nineteen".