Base | Representation |
---|---|
bin | 11110110110100110101100 |
3 | 120012220121211 |
4 | 132312212230 |
5 | 4032303410 |
6 | 445204204 |
7 | 125514055 |
oct | 36664654 |
9 | 16186554 |
10 | 8087980 |
11 | 462468a |
12 | 2860664 |
13 | 18a24b4 |
14 | 110772c |
15 | a9b68a |
hex | 7b69ac |
8087980 has 12 divisors (see below), whose sum is σ = 16984800. Its totient is φ = 3235184.
The previous prime is 8087969. The next prime is 8087983. The reversal of 8087980 is 897808.
It is not an unprimeable number, because it can be changed into a prime (8087983) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202180 + ... + 202219.
It is an arithmetic number, because the mean of its divisors is an integer number (1415400).
Almost surely, 28087980 is an apocalyptic number.
It is an amenable number.
8087980 is an abundant number, since it is smaller than the sum of its proper divisors (8896820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8087980 is a wasteful number, since it uses less digits than its factorization.
8087980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 404408 (or 404406 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 40.
The square root of 8087980 is about 2843.9374114069. The cubic root of 8087980 is about 200.7304953013.
The spelling of 8087980 in words is "eight million, eighty-seven thousand, nine hundred eighty".
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