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85364878 = 247908137
BaseRepresentation
bin1010001011010…
…01000010001110
312221121222121011
411011221002032
5133323134003
612245355434
72054406124
oct505510216
9187558534
1085364878
1144205995
1224708b7a
13148bb281
14b4a1914
15776346d
hex516908e

85364878 has 8 divisors (see below), whose sum is σ = 130771872. Its totient is φ = 41774256.

The previous prime is 85364869. The next prime is 85364879. The reversal of 85364878 is 87846358.

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 (85364879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453975 + ... + 454162.

It is an arithmetic number, because the mean of its divisors is an integer number (16346484).

Almost surely, 285364878 is an apocalyptic number.

85364878 is a deficient number, since it is larger than the sum of its proper divisors (45406994).

85364878 is a wasteful number, since it uses less digits than its factorization.

85364878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908186.

The product of its digits is 1290240, while the sum is 49.

The square root of 85364878 is about 9239.3115544395. The cubic root of 85364878 is about 440.3112088956.

The spelling of 85364878 in words is "eighty-five million, three hundred sixty-four thousand, eight hundred seventy-eight".

Divisors: 1 2 47 94 908137 1816274 42682439 85364878