Base | Representation |
---|---|
bin | 1010011110011… |
… | …01100010110000 |
3 | 20010100110001221 |
4 | 11033031202300 |
5 | 134443424322 |
6 | 12415234424 |
7 | 2114625403 |
oct | 517154260 |
9 | 203313057 |
10 | 87873712 |
11 | 45669903 |
12 | 25518a14 |
13 | 152891a4 |
14 | b955d3a |
15 | 7aab9c7 |
hex | 53cd8b0 |
87873712 has 40 divisors (see below), whose sum is σ = 177109200. Its totient is φ = 42185472.
The previous prime is 87873707. The next prime is 87873739. The reversal of 87873712 is 21737878.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
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 7 ways as a sum of consecutive naturals, for example, 105843 + ... + 106669.
It is an arithmetic number, because the mean of its divisors is an integer number (4427730).
Almost surely, 287873712 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87873712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88554600).
87873712 is an abundant number, since it is smaller than the sum of its proper divisors (89235488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87873712 is a wasteful number, since it uses less digits than its factorization.
87873712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1093 (or 1087 counting only the distinct ones).
The product of its digits is 131712, while the sum is 43.
The square root of 87873712 is about 9374.0979299344. The cubic root of 87873712 is about 444.5831420085.
The spelling of 87873712 in words is "eighty-seven million, eight hundred seventy-three thousand, seven hundred twelve".
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