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85803894 = 23311144451
BaseRepresentation
bin1010001110101…
…00001101110110
312222110021211000
411013110031312
5133431211034
612303024130
72061215061
oct507241566
9188407730
1085803894
1144485810
122489b046
1314a13047
14b5778d8
1577ed599
hex51d4376

85803894 has 32 divisors (see below), whose sum is σ = 208010880. Its totient is φ = 26001000.

The previous prime is 85803871. The next prime is 85803899. The reversal of 85803894 is 49830858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85803899) 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, 71632 + ... + 72819.

It is an arithmetic number, because the mean of its divisors is an integer number (6500340).

Almost surely, 285803894 is an apocalyptic number.

85803894 is an abundant number, since it is smaller than the sum of its proper divisors (122206986).

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

85803894 is a wasteful number, since it uses less digits than its factorization.

85803894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144473 (or 144467 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 85803894 is about 9263.0391341071. The cubic root of 85803894 is about 441.0647320407.

The spelling of 85803894 in words is "eighty-five million, eight hundred three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 144451 288902 433353 866706 1300059 1588961 2600118 3177922 3900177 4766883 7800354 9533766 14300649 28601298 42901947 85803894