Base | Representation |
---|---|
bin | 1111001101011010001000 |
3 | 21111120020122 |
4 | 33031122020 |
5 | 2010041310 |
6 | 221242412 |
7 | 45614066 |
oct | 17153210 |
9 | 7446218 |
10 | 3987080 |
11 | 2283609 |
12 | 1403408 |
13 | a97a26 |
14 | 75b036 |
15 | 53b555 |
hex | 3cd688 |
3987080 has 32 divisors (see below), whose sum is σ = 9028800. Its totient is φ = 1584576.
The previous prime is 3987079. The next prime is 3987107. The reversal of 3987080 is 807893.
3987080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 3987080.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10331 + ... + 10709.
It is an arithmetic number, because the mean of its divisors is an integer number (282150).
Almost surely, 23987080 is an apocalyptic number.
It is an amenable number.
3987080 is an abundant number, since it is smaller than the sum of its proper divisors (5041720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3987080 is a wasteful number, since it uses less digits than its factorization.
3987080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 653 (or 649 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 3987080 is about 1996.7673875542. The cubic root of 3987080 is about 158.5690106727.
The spelling of 3987080 in words is "three million, nine hundred eighty-seven thousand, eighty".
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