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85394941 is a prime number
BaseRepresentation
bin1010001011100…
…00010111111101
312221200111211121
411011300113331
5133330114231
612250150541
72054562562
oct505602775
9187614747
1085394941
1144226535
1224722451
13148cbb68
14b4ac869
15776c311
hex51705fd

85394941 has 2 divisors, whose sum is σ = 85394942. Its totient is φ = 85394940.

The previous prime is 85394921. The next prime is 85394983. The reversal of 85394941 is 14949358.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60684100 + 24710841 = 7790^2 + 4971^2 .

It is a cyclic number.

It is not a de Polignac number, because 85394941 - 25 = 85394909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85394921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42697470 + 42697471.

It is an arithmetic number, because the mean of its divisors is an integer number (42697471).

Almost surely, 285394941 is an apocalyptic number.

It is an amenable number.

85394941 is a deficient number, since it is larger than the sum of its proper divisors (1).

85394941 is an equidigital number, since it uses as much as digits as its factorization.

85394941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 85394941 is about 9240.9383181580. The cubic root of 85394941 is about 440.3628910495.

The spelling of 85394941 in words is "eighty-five million, three hundred ninety-four thousand, nine hundred forty-one".