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85360505 = 518194321
BaseRepresentation
bin1010001011001…
…11111101111001
312221121202121012
411011213331321
5133323014010
612245323305
72054360306
oct505477571
9187552535
1085360505
114420267a
1224706535
13148b9299
14b4a00ad
157762005
hex5167f79

85360505 has 8 divisors (see below), whose sum is σ = 102999624. Its totient is φ = 67910400.

The previous prime is 85360501. The next prime is 85360549. The reversal of 85360505 is 50506358.

It can be written as a sum of positive squares in 4 ways, for example, as 5508409 + 79852096 = 2347^2 + 8936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85360505 - 22 = 85360501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85360501) 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 in 7 ways as a sum of consecutive naturals, for example, 46256 + ... + 48065.

It is an arithmetic number, because the mean of its divisors is an integer number (12874953).

Almost surely, 285360505 is an apocalyptic number.

It is an amenable number.

85360505 is a deficient number, since it is larger than the sum of its proper divisors (17639119).

85360505 is a wasteful number, since it uses less digits than its factorization.

85360505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94507.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 85360505 is about 9239.0748995773. The cubic root of 85360505 is about 440.3036901368.

The spelling of 85360505 in words is "eighty-five million, three hundred sixty thousand, five hundred five".

Divisors: 1 5 181 905 94321 471605 17072101 85360505