Base | Representation |
---|---|
bin | 1010011010000… |
… | …00110000001100 |
3 | 20002021011000120 |
4 | 11031000300030 |
5 | 134322001121 |
6 | 12355024540 |
7 | 2110004211 |
oct | 515006014 |
9 | 202234016 |
10 | 87297036 |
11 | 45305612 |
12 | 2529b150 |
13 | 15116868 |
14 | b845b08 |
15 | 79e5bc6 |
hex | 5340c0c |
87297036 has 24 divisors (see below), whose sum is σ = 208662384. Its totient is φ = 28389120.
The previous prime is 87297031. The next prime is 87297037. The reversal of 87297036 is 63079278.
It is not an unprimeable number, because it can be changed into a prime (87297031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88225 + ... + 89208.
It is an arithmetic number, because the mean of its divisors is an integer number (8694266).
Almost surely, 287297036 is an apocalyptic number.
It is an amenable number.
87297036 is an abundant number, since it is smaller than the sum of its proper divisors (121365348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87297036 is a wasteful number, since it uses less digits than its factorization.
87297036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177481 (or 177479 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 42.
The square root of 87297036 is about 9343.2882862513. The cubic root of 87297036 is about 443.6084731241.
The spelling of 87297036 in words is "eighty-seven million, two hundred ninety-seven thousand, thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •