Base | Representation |
---|---|
bin | 1010011100111… |
… | …00101111011111 |
3 | 20002222021212122 |
4 | 11032130233133 |
5 | 134421030243 |
6 | 12411053155 |
7 | 2113133546 |
oct | 516345737 |
9 | 202867778 |
10 | 87673823 |
11 | 45542706 |
12 | 254411bb |
13 | 15219203 |
14 | b90315d |
15 | 7a6c668 |
hex | 539cbdf |
87673823 has 8 divisors (see below), whose sum is σ = 89984400. Its totient is φ = 85390848.
The previous prime is 87673799. The next prime is 87673841. The reversal of 87673823 is 32837678.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87673823 - 26 = 87673759 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87673843) 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, 386 + ... + 13247.
It is an arithmetic number, because the mean of its divisors is an integer number (11248050).
Almost surely, 287673823 is an apocalyptic number.
87673823 is a deficient number, since it is larger than the sum of its proper divisors (2310577).
87673823 is a wasteful number, since it uses less digits than its factorization.
87673823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13801.
The product of its digits is 338688, while the sum is 44.
The square root of 87673823 is about 9363.4300873131. The cubic root of 87673823 is about 444.2457838234.
The spelling of 87673823 in words is "eighty-seven million, six hundred seventy-three thousand, eight hundred twenty-three".
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