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85318678 = 297439787
BaseRepresentation
bin1010001010111…
…01110000010110
312221112122020001
411011131300112
5133320144203
612244401514
72054124334
oct505356026
9187478201
1085318678
1144184205
12246a629a
13148a3233
14b48cb54
15775491d
hex515dc16

85318678 has 8 divisors (see below), whose sum is σ = 129297672. Its totient is φ = 42219456.

The previous prime is 85318669. The next prime is 85318679. The reversal of 85318678 is 87681358.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85318679) 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 in 3 ways as a sum of consecutive naturals, for example, 219700 + ... + 220087.

It is an arithmetic number, because the mean of its divisors is an integer number (16162209).

Almost surely, 285318678 is an apocalyptic number.

85318678 is a deficient number, since it is larger than the sum of its proper divisors (43978994).

85318678 is a wasteful number, since it uses less digits than its factorization.

85318678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439886.

The product of its digits is 322560, while the sum is 46.

The square root of 85318678 is about 9236.8110297873. The cubic root of 85318678 is about 440.2317615115.

The spelling of 85318678 in words is "eighty-five million, three hundred eighteen thousand, six hundred seventy-eight".

Divisors: 1 2 97 194 439787 879574 42659339 85318678