Base | Representation |
---|---|
bin | 11010001101010101110011 |
3 | 110221001101210 |
4 | 122031111303 |
5 | 3224323022 |
6 | 403131203 |
7 | 112253166 |
oct | 32152563 |
9 | 13831353 |
10 | 6870387 |
11 | 3972907 |
12 | 2373b03 |
13 | 1567224 |
14 | cabadd |
15 | 90aa0c |
hex | 68d573 |
6870387 has 8 divisors (see below), whose sum is σ = 9173440. Its totient is φ = 4573800.
The previous prime is 6870377. The next prime is 6870389. The reversal of 6870387 is 7830786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6870387 - 212 = 6866291 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6870389) by changing a digit.
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, 2064 + ... + 4242.
It is an arithmetic number, because the mean of its divisors is an integer number (1146680).
Almost surely, 26870387 is an apocalyptic number.
6870387 is a deficient number, since it is larger than the sum of its proper divisors (2303053).
6870387 is a wasteful number, since it uses less digits than its factorization.
6870387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3233.
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 6870387 is about 2621.1423082313. The cubic root of 6870387 is about 190.1050849900.
The spelling of 6870387 in words is "six million, eight hundred seventy thousand, three hundred eighty-seven".
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