Base | Representation |
---|---|
bin | 1010011001110… |
… | …01110001011011 |
3 | 20002012200210120 |
4 | 11030321301123 |
5 | 134320042233 |
6 | 12354244323 |
7 | 2106524643 |
oct | 514716133 |
9 | 202180716 |
10 | 87268443 |
11 | 45296089 |
12 | 252866a3 |
13 | 15106842 |
14 | b839523 |
15 | 79dc4b3 |
hex | 5339c5b |
87268443 has 8 divisors (see below), whose sum is σ = 117997056. Its totient is φ = 57359400.
The previous prime is 87268421. The next prime is 87268483. The reversal of 87268443 is 34486278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87268443 - 25 = 87268411 is a prime.
It is a super-2 number, since 2×872684432 = 15231562287288498, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87268395 and 87268404.
It is not an unprimeable number, because it can be changed into a prime (87268403) 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, 204643 + ... + 205068.
It is an arithmetic number, because the mean of its divisors is an integer number (14749632).
Almost surely, 287268443 is an apocalyptic number.
87268443 is a deficient number, since it is larger than the sum of its proper divisors (30728613).
87268443 is a wasteful number, since it uses less digits than its factorization.
87268443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409785.
The product of its digits is 258048, while the sum is 42.
The square root of 87268443 is about 9341.7580251257. The cubic root of 87268443 is about 443.5600351215.
The spelling of 87268443 in words is "eighty-seven million, two hundred sixty-eight thousand, four hundred forty-three".
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