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85441751 is a prime number
BaseRepresentation
bin1010001011110…
…11110011010111
312221202220001022
411011323303113
5133333114001
612251151355
72055146213
oct505736327
9187686038
1085441751
114425871a
122474555b
1314917265
14b4c1943
15777b11b
hex517bcd7

85441751 has 2 divisors, whose sum is σ = 85441752. Its totient is φ = 85441750.

The previous prime is 85441687. The next prime is 85441787. The reversal of 85441751 is 15714458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85441751 - 26 = 85441687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85441351) 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, 42720875 + 42720876.

It is an arithmetic number, because the mean of its divisors is an integer number (42720876).

Almost surely, 285441751 is an apocalyptic number.

85441751 is a deficient number, since it is larger than the sum of its proper divisors (1).

85441751 is an equidigital number, since it uses as much as digits as its factorization.

85441751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 35.

The square root of 85441751 is about 9243.4707226236. The cubic root of 85441751 is about 440.4433393030.

The spelling of 85441751 in words is "eighty-five million, four hundred forty-one thousand, seven hundred fifty-one".