Base | Representation |
---|---|
bin | 1010011010010… |
… | …00110110001011 |
3 | 20002022211111101 |
4 | 11031020312023 |
5 | 134324031222 |
6 | 12355442231 |
7 | 2110202650 |
oct | 515106613 |
9 | 202284441 |
10 | 87330187 |
11 | 4532850a |
12 | 252b6377 |
13 | 15128989 |
14 | b853c27 |
15 | 7a00927 |
hex | 5348d8b |
87330187 has 8 divisors (see below), whose sum is σ = 99864576. Its totient is φ = 74810472.
The previous prime is 87330163. The next prime is 87330203. The reversal of 87330187 is 78103378.
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 87330187 - 27 = 87330059 is a prime.
It is a super-2 number, since 2×873301872 = 15253123122909938, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87330487) 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 7 ways as a sum of consecutive naturals, for example, 16488 + ... + 21130.
It is an arithmetic number, because the mean of its divisors is an integer number (12483072).
Almost surely, 287330187 is an apocalyptic number.
87330187 is a deficient number, since it is larger than the sum of its proper divisors (12534389).
87330187 is a wasteful number, since it uses less digits than its factorization.
87330187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7337.
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 87330187 is about 9345.0621720778. The cubic root of 87330187 is about 443.6646193730.
The spelling of 87330187 in words is "eighty-seven million, three hundred thirty thousand, one hundred eighty-seven".
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