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85807934 = 255317757
BaseRepresentation
bin1010001110101…
…01001100111110
312222110111100122
411013111030332
5133431323214
612303054542
72061232622
oct507251476
9188414318
1085807934
1144488853
12248a1452
1314a14b34
14b579182
1577ee88e
hex51d533e

85807934 has 8 divisors (see below), whose sum is σ = 128751768. Its totient is φ = 42890680.

The previous prime is 85807913. The next prime is 85807979. The reversal of 85807934 is 43970858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7184 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (16093971).

Almost surely, 285807934 is an apocalyptic number.

85807934 is a deficient number, since it is larger than the sum of its proper divisors (42943834).

85807934 is a wasteful number, since it uses less digits than its factorization.

85807934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13290.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 85807934 is about 9263.2572025179. The cubic root of 85807934 is about 441.0716543122.

The spelling of 85807934 in words is "eighty-five million, eight hundred seven thousand, nine hundred thirty-four".

Divisors: 1 2 5531 7757 11062 15514 42903967 85807934