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85086012 = 223115931087
BaseRepresentation
bin1010001001001…
…00111100111100
312221002211001210
411010210330330
5133240223022
612235404420
72052135114
oct504447474
9187084053
1085086012
1144035420
12245b3710
131482136b
14b42c044
15770aa0c
hex5124f3c

85086012 has 48 divisors (see below), whose sum is σ = 217147392. Its totient is φ = 25716480.

The previous prime is 85086011. The next prime is 85086013. The reversal of 85086012 is 21068058.

It is an interprime number because it is at equal distance from previous prime (85086011) and next prime (85086013).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85086011) 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 15 ways as a sum of consecutive naturals, for example, 77733 + ... + 78819.

It is an arithmetic number, because the mean of its divisors is an integer number (4523904).

Almost surely, 285086012 is an apocalyptic number.

It is an amenable number.

85086012 is an abundant number, since it is smaller than the sum of its proper divisors (132061380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85086012 is a wasteful number, since it uses less digits than its factorization.

85086012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 85086012 is about 9224.2079334759. The cubic root of 85086012 is about 439.8312231470.

The spelling of 85086012 in words is "eighty-five million, eighty-six thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 593 1087 1186 1779 2174 2372 3261 3558 4348 6522 6523 7116 11957 13044 13046 19569 23914 26092 35871 39138 47828 71742 78276 143484 644591 1289182 1933773 2578364 3867546 7090501 7735092 14181002 21271503 28362004 42543006 85086012