Base | Representation |
---|---|
bin | 1010011110001… |
… | …11110110010100 |
3 | 20010022021002002 |
4 | 11033013312110 |
5 | 134442203023 |
6 | 12414534432 |
7 | 2114500403 |
oct | 517076624 |
9 | 203267062 |
10 | 87850388 |
11 | 4565332a |
12 | 25507418 |
13 | 1527b6a2 |
14 | b94b63a |
15 | 7aa4b28 |
hex | 53c7d94 |
87850388 has 12 divisors (see below), whose sum is σ = 154023072. Its totient is φ = 43843800.
The previous prime is 87850369. The next prime is 87850391. The reversal of 87850388 is 88305878.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17888 + ... + 22263.
It is an arithmetic number, because the mean of its divisors is an integer number (12835256).
Almost surely, 287850388 is an apocalyptic number.
It is an amenable number.
87850388 is a deficient number, since it is larger than the sum of its proper divisors (66172684).
87850388 is a wasteful number, since it uses less digits than its factorization.
87850388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40702 (or 40700 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 47.
The square root of 87850388 is about 9372.8537809997. The cubic root of 87850388 is about 444.5438038320.
The spelling of 87850388 in words is "eighty-seven million, eight hundred fifty thousand, three hundred eighty-eight".
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