Base | Representation |
---|---|
bin | 1010001111001… |
… | …10001100011100 |
3 | 12222121000211100 |
4 | 11013212030130 |
5 | 133441040112 |
6 | 12304353100 |
7 | 2061642546 |
oct | 507461434 |
9 | 188530740 |
10 | 85877532 |
11 | 44526074 |
12 | 24915790 |
13 | 14a3a710 |
14 | b596696 |
15 | 78152dc |
hex | 51e631c |
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".
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