Base | Representation |
---|---|
bin | 1010011101111… |
… | …01000010100000 |
3 | 20010020000100020 |
4 | 11032331002200 |
5 | 134434243422 |
6 | 12413553440 |
7 | 2114224332 |
oct | 516750240 |
9 | 203200306 |
10 | 87806112 |
11 | 45623039 |
12 | 254a5880 |
13 | 152644a4 |
14 | b939452 |
15 | 7a9695c |
hex | 53bd0a0 |
87806112 has 24 divisors (see below), whose sum is σ = 230491296. Its totient is φ = 29268672.
The previous prime is 87806099. The next prime is 87806119. The reversal of 87806112 is 21160878.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-3 number, since 3×878061123 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (87806119) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457228 + ... + 457419.
It is an arithmetic number, because the mean of its divisors is an integer number (9603804).
Almost surely, 287806112 is an apocalyptic number.
It is an amenable number.
87806112 is an abundant number, since it is smaller than the sum of its proper divisors (142685184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87806112 is a wasteful number, since it uses less digits than its factorization.
87806112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 914660 (or 914652 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 87806112 is about 9370.4915559430. The cubic root of 87806112 is about 444.4691089275.
The spelling of 87806112 in words is "eighty-seven million, eight hundred six thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •