[go: up one dir, main page]

Search a number
-
+
85877532 = 223213183499
BaseRepresentation
bin1010001111001…
…10001100011100
312222121000211100
411013212030130
5133441040112
612304353100
72061642546
oct507461434
9188530740
1085877532
1144526074
1224915790
1314a3a710
14b596696
1578152dc
hex51e631c

85877532 has 36 divisors (see below), whose sum is σ = 233779000. Its totient is φ = 26423712.

The previous prime is 85877531. The next prime is 85877537. The reversal of 85877532 is 23577858.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×858775322 = 14749901004822048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85877531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 91282 + ... + 92217.

Almost surely, 285877532 is an apocalyptic number.

It is an amenable number.

85877532 is an abundant number, since it is smaller than the sum of its proper divisors (147901468).

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

85877532 is a wasteful number, since it uses less digits than its factorization.

85877532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183522 (or 183517 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 85877532 is about 9267.0131110299. The cubic root of 85877532 is about 441.1908717621.

The spelling of 85877532 in words is "eighty-five million, eight hundred seventy-seven thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 183499 366998 550497 733996 1100994 1651491 2201988 2385487 3302982 4770974 6605964 7156461 9541948 14312922 21469383 28625844 42938766 85877532