Base | Representation |
---|---|
bin | 1010011000101… |
… | …10110110001010 |
3 | 20001221102120011 |
4 | 11030112312022 |
5 | 134301003021 |
6 | 12351222134 |
7 | 2105360605 |
oct | 514266612 |
9 | 201842504 |
10 | 87125386 |
11 | 451a8657 |
12 | 2521794a |
13 | 150866aa |
14 | b7dd33c |
15 | 79aede1 |
hex | 5316d8a |
87125386 has 8 divisors (see below), whose sum is σ = 131418720. Its totient is φ = 43319148.
The previous prime is 87125377. The next prime is 87125419. The reversal of 87125386 is 68352178.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121326 + ... + 122041.
It is an arithmetic number, because the mean of its divisors is an integer number (16427340).
Almost surely, 287125386 is an apocalyptic number.
87125386 is a deficient number, since it is larger than the sum of its proper divisors (44293334).
87125386 is a wasteful number, since it uses less digits than its factorization.
87125386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243548.
The product of its digits is 80640, while the sum is 40.
The square root of 87125386 is about 9334.0980281975. The cubic root of 87125386 is about 443.3175302311.
The spelling of 87125386 in words is "eighty-seven million, one hundred twenty-five thousand, three hundred eighty-six".
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