Base | Representation |
---|---|
bin | 1010011011110… |
… | …01010000101111 |
3 | 20002200220112010 |
4 | 11031321100233 |
5 | 134401402440 |
6 | 12404012303 |
7 | 2111660055 |
oct | 515712057 |
9 | 202626463 |
10 | 87528495 |
11 | 454534aa |
12 | 25391093 |
13 | 15198012 |
14 | b8a61d5 |
15 | 7a3e580 |
hex | 537942f |
87528495 has 32 divisors (see below), whose sum is σ = 152307648. Its totient is φ = 42743808.
The previous prime is 87528491. The next prime is 87528517. The reversal of 87528495 is 59482578.
It is not a de Polignac number, because 87528495 - 22 = 87528491 is a prime.
It is a super-2 number, since 2×875284952 = 15322474873930050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87528491) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4797 + ... + 14073.
It is an arithmetic number, because the mean of its divisors is an integer number (4759614).
Almost surely, 287528495 is an apocalyptic number.
87528495 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
87528495 is a deficient number, since it is larger than the sum of its proper divisors (64779153).
87528495 is a wasteful number, since it uses less digits than its factorization.
87528495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9339.
The product of its digits is 806400, while the sum is 48.
The square root of 87528495 is about 9355.6664647688. Note that the first 3 decimals coincide. The cubic root of 87528495 is about 444.0001876876. Note that the first 3 decimals are identical.
The spelling of 87528495 in words is "eighty-seven million, five hundred twenty-eight thousand, four hundred ninety-five".
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