Base | Representation |
---|---|
bin | 11000010101101111001011 |
3 | 110000011101111 |
4 | 120111233023 |
5 | 3113133431 |
6 | 344431151 |
7 | 105143005 |
oct | 30255713 |
9 | 13004344 |
10 | 6380491 |
11 | 3668837 |
12 | 21784b7 |
13 | 1425250 |
14 | bc1375 |
15 | 8607b1 |
hex | 615bcb |
6380491 has 8 divisors (see below), whose sum is σ = 7275744. Its totient is φ = 5543040.
The previous prime is 6380483. The next prime is 6380497. The reversal of 6380491 is 1940836.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6380491 - 23 = 6380483 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6380497) 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, 14215 + ... + 14656.
It is an arithmetic number, because the mean of its divisors is an integer number (909468).
Almost surely, 26380491 is an apocalyptic number.
6380491 is a deficient number, since it is larger than the sum of its proper divisors (895253).
6380491 is a wasteful number, since it uses less digits than its factorization.
6380491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28901.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 6380491 is about 2525.9633805738. The cubic root of 6380491 is about 185.4747097554.
The spelling of 6380491 in words is "six million, three hundred eighty thousand, four hundred ninety-one".
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