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85235028 = 2237102919
BaseRepresentation
bin1010001010010…
…01010101010100
312221101101110220
411011021111110
5133310010103
612242514340
72053325424
oct505112524
9187341426
1085235028
114412737a
12246659b0
1314874138
14b46a484
157739c53
hex5149554

85235028 has 12 divisors (see below), whose sum is σ = 198881760. Its totient is φ = 28411672.

The previous prime is 85235009. The next prime is 85235041. The reversal of 85235028 is 82053258.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 85235028.

It is a congruent number.

It is an unprimeable number.

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, 3551448 + ... + 3551471.

It is an arithmetic number, because the mean of its divisors is an integer number (16573480).

Almost surely, 285235028 is an apocalyptic number.

It is an amenable number.

85235028 is an abundant number, since it is smaller than the sum of its proper divisors (113646732).

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

85235028 is a wasteful number, since it uses less digits than its factorization.

85235028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102926 (or 7102924 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 85235028 is about 9232.2818414518. The cubic root of 85235028 is about 440.0878405893.

The spelling of 85235028 in words is "eighty-five million, two hundred thirty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 7102919 14205838 21308757 28411676 42617514 85235028