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85305852 = 22334431783
BaseRepresentation
bin1010001010110…
…10100111111100
312221111222122000
411011122213330
5133314241402
612244222300
72054042052
oct505324774
9187458560
1085305852
1144175605
122469a990
131489a448
14b4881d2
157750c1c
hex515a9fc

85305852 has 48 divisors (see below), whose sum is σ = 221786880. Its totient is φ = 28355184.

The previous prime is 85305841. The next prime is 85305853. The reversal of 85305852 is 25850358.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85305853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46953 + ... + 48735.

It is an arithmetic number, because the mean of its divisors is an integer number (4620560).

Almost surely, 285305852 is an apocalyptic number.

It is an amenable number.

85305852 is an abundant number, since it is smaller than the sum of its proper divisors (136481028).

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

85305852 is a wasteful number, since it uses less digits than its factorization.

85305852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 85305852 is about 9236.1167164561. The cubic root of 85305852 is about 440.2097003182.

The spelling of 85305852 in words is "eighty-five million, three hundred five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 443 886 1329 1772 1783 2658 3566 3987 5316 5349 7132 7974 10698 11961 15948 16047 21396 23922 32094 47844 48141 64188 96282 192564 789869 1579738 2369607 3159476 4739214 7108821 9478428 14217642 21326463 28435284 42652926 85305852