Base | Representation |
---|---|
bin | 1010010111110… |
… | …11111001110010 |
3 | 20001201211011202 |
4 | 11023323321302 |
5 | 134233440101 |
6 | 12345011202 |
7 | 2104421060 |
oct | 513737162 |
9 | 201654152 |
10 | 87015026 |
11 | 4513274a |
12 | 25183b02 |
13 | 150483a7 |
14 | b7b1030 |
15 | 798c36b |
hex | 52fbe72 |
87015026 has 32 divisors (see below), whose sum is σ = 156619008. Its totient is φ = 35449920.
The previous prime is 87015017. The next prime is 87015031. The reversal of 87015026 is 62051078.
It is a super-2 number, since 2×870150262 = 15143229499561352, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 87015026.
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 15 ways as a sum of consecutive naturals, for example, 57536 + ... + 59028.
It is an arithmetic number, because the mean of its divisors is an integer number (4894344).
Almost surely, 287015026 is an apocalyptic number.
87015026 is a deficient number, since it is larger than the sum of its proper divisors (69603982).
87015026 is a wasteful number, since it uses less digits than its factorization.
87015026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1706.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 87015026 is about 9328.1844964602. The cubic root of 87015026 is about 443.1302706325.
The spelling of 87015026 in words is "eighty-seven million, fifteen thousand, twenty-six".
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