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85841994 = 23716312539
BaseRepresentation
bin1010001110111…
…01100001001010
312222112020002010
411013131201022
5133433420434
612303520350
72061434130
oct507354112
9188466063
1085841994
11445013a7
12248b90b6
1314a274a4
14b587750
1578099e9
hex51dd84a

85841994 has 32 divisors (see below), whose sum is σ = 197429760. Its totient is φ = 24373872.

The previous prime is 85841989. The next prime is 85842011. The reversal of 85841994 is 49914858.

It is an unprimeable number.

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, 577 + ... + 13115.

It is an arithmetic number, because the mean of its divisors is an integer number (6169680).

Almost surely, 285841994 is an apocalyptic number.

85841994 is an abundant number, since it is smaller than the sum of its proper divisors (111587766).

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

85841994 is a wasteful number, since it uses less digits than its factorization.

85841994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714.

The product of its digits is 414720, while the sum is 48.

The square root of 85841994 is about 9265.0954663187. The cubic root of 85841994 is about 441.1300052230.

The spelling of 85841994 in words is "eighty-five million, eight hundred forty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 163 326 489 978 1141 2282 3423 6846 12539 25078 37617 75234 87773 175546 263319 526638 2043857 4087714 6131571 12263142 14306999 28613998 42920997 85841994