Search a number
-
+
85391832 = 23323914887
BaseRepresentation
bin1010001011011…
…11100111011000
312221200100120110
411011233213120
5133330014312
612250124320
72054550531
oct505574730
9187610513
1085391832
1144224169
12247206a0
13148ca616
14b4ab688
15776b43c
hex516f9d8

85391832 has 32 divisors (see below), whose sum is σ = 214387200. Its totient is φ = 28342944.

The previous prime is 85391791. The next prime is 85391837. The reversal of 85391832 is 23819358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85391837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708 + ... + 13179.

It is an arithmetic number, because the mean of its divisors is an integer number (6699600).

Almost surely, 285391832 is an apocalyptic number.

It is an amenable number.

85391832 is an abundant number, since it is smaller than the sum of its proper divisors (128995368).

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

85391832 is a wasteful number, since it uses less digits than its factorization.

85391832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135 (or 15131 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 85391832 is about 9240.7700977786. The cubic root of 85391832 is about 440.3575468420.

The spelling of 85391832 in words is "eighty-five million, three hundred ninety-one thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 239 478 717 956 1434 1912 2868 5736 14887 29774 44661 59548 89322 119096 178644 357288 3557993 7115986 10673979 14231972 21347958 28463944 42695916 85391832