Base | Representation |
---|---|
bin | 1010011000111… |
… | …10111110111010 |
3 | 20002000010021112 |
4 | 11030132332322 |
5 | 134303034324 |
6 | 12352040322 |
7 | 2105560016 |
oct | 514367672 |
9 | 202003245 |
10 | 87158714 |
11 | 452206a5 |
12 | 252330a2 |
13 | 15098906 |
14 | b80b546 |
15 | 79b9c0e |
hex | 531efba |
87158714 has 8 divisors (see below), whose sum is σ = 130790100. Its totient is φ = 43562016.
The previous prime is 87158663. The next prime is 87158741. The reversal of 87158714 is 41785178.
It can be written as a sum of positive squares in 2 ways, for example, as 60295225 + 26863489 = 7765^2 + 5183^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×871587142 = 15193282852267592, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049 + ... + 13244.
Almost surely, 287158714 is an apocalyptic number.
87158714 is a deficient number, since it is larger than the sum of its proper divisors (43631386).
87158714 is a wasteful number, since it uses less digits than its factorization.
87158714 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17344.
The product of its digits is 62720, while the sum is 41.
The square root of 87158714 is about 9335.8831397999. The cubic root of 87158714 is about 443.3740503178.
The spelling of 87158714 in words is "eighty-seven million, one hundred fifty-eight thousand, seven hundred fourteen".
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