Base | Representation |
---|---|
bin | 1010011101111… |
… | …10111111110010 |
3 | 20010020102100012 |
4 | 11032332333302 |
5 | 134440023010 |
6 | 12414054522 |
7 | 2114256605 |
oct | 516767762 |
9 | 203212305 |
10 | 87814130 |
11 | 45629068 |
12 | 254aa442 |
13 | 15268031 |
14 | b93c33c |
15 | 7a99005 |
hex | 53beff2 |
87814130 has 8 divisors (see below), whose sum is σ = 158065452. Its totient is φ = 35125648.
The previous prime is 87814121. The next prime is 87814159. The reversal of 87814130 is 3141878.
It can be written as a sum of positive squares in 2 ways, for example, as 87740689 + 73441 = 9367^2 + 271^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×878141302 = 15422642855313800, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390697 + ... + 4390716.
Almost surely, 287814130 is an apocalyptic number.
87814130 is a deficient number, since it is larger than the sum of its proper divisors (70251322).
87814130 is a wasteful number, since it uses less digits than its factorization.
87814130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8781420.
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 87814130 is about 9370.9193785882. The cubic root of 87814130 is about 444.4826373891.
The spelling of 87814130 in words is "eighty-seven million, eight hundred fourteen thousand, one hundred thirty".
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