Base | Representation |
---|---|
bin | 1010011000101… |
… | …00011000001010 |
3 | 20001220220200122 |
4 | 11030110120022 |
5 | 134300142044 |
6 | 12351103242 |
7 | 2105316251 |
oct | 514243012 |
9 | 201826618 |
10 | 87115274 |
11 | 451a0aa4 |
12 | 25211b22 |
13 | 15081bcc |
14 | b7d9798 |
15 | 79abdee |
hex | 531460a |
87115274 has 8 divisors (see below), whose sum is σ = 130729248. Its totient is φ = 43538860.
The previous prime is 87115267. The next prime is 87115289. The reversal of 87115274 is 47251178.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612 + ... + 13455.
It is an arithmetic number, because the mean of its divisors is an integer number (16341156).
Almost surely, 287115274 is an apocalyptic number.
87115274 is a deficient number, since it is larger than the sum of its proper divisors (43613974).
87115274 is a wasteful number, since it uses less digits than its factorization.
87115274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18780.
The product of its digits is 15680, while the sum is 35.
The square root of 87115274 is about 9333.5563425738. The cubic root of 87115274 is about 443.3003787038.
The spelling of 87115274 in words is "eighty-seven million, one hundred fifteen thousand, two hundred seventy-four".
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