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85304741 is a prime number
BaseRepresentation
bin1010001010110…
…10010110100101
312221111221002212
411011122112211
5133314222431
612244213205
72054035604
oct505322645
9187457085
1085304741
1144174795
122469a205
1314899aa2
14b487a3b
15775072b
hex515a5a5

85304741 has 2 divisors, whose sum is σ = 85304742. Its totient is φ = 85304740.

The previous prime is 85304693. The next prime is 85304749. The reversal of 85304741 is 14740358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62742241 + 22562500 = 7921^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 85304741 - 218 = 85042597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85304698 and 85304707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85304749) 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, 42652370 + 42652371.

It is an arithmetic number, because the mean of its divisors is an integer number (42652371).

Almost surely, 285304741 is an apocalyptic number.

It is an amenable number.

85304741 is a deficient number, since it is larger than the sum of its proper divisors (1).

85304741 is an equidigital number, since it uses as much as digits as its factorization.

85304741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 85304741 is about 9236.0565719359. The cubic root of 85304741 is about 440.2077892531.

The spelling of 85304741 in words is "eighty-five million, three hundred four thousand, seven hundred forty-one".