Base | Representation |
---|---|
bin | 11001110111010010010110 |
3 | 110202110111010 |
4 | 121313102112 |
5 | 3213430204 |
6 | 401153050 |
7 | 111425631 |
oct | 31672226 |
9 | 13673433 |
10 | 6780054 |
11 | 3910a56 |
12 | 232b786 |
13 | 1535088 |
14 | c86c18 |
15 | 8ddd89 |
hex | 677496 |
6780054 has 16 divisors (see below), whose sum is σ = 13590720. Its totient is φ = 2254920.
The previous prime is 6780049. The next prime is 6780073. The reversal of 6780054 is 4500876.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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, 2437 + ... + 4415.
It is an arithmetic number, because the mean of its divisors is an integer number (849420).
Almost surely, 26780054 is an apocalyptic number.
6780054 is an abundant number, since it is smaller than the sum of its proper divisors (6810666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6780054 is a wasteful number, since it uses less digits than its factorization.
6780054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2555.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 6780054 is about 2603.8536825252. The cubic root of 6780054 is about 189.2682286514.
The spelling of 6780054 in words is "six million, seven hundred eighty thousand, fifty-four".
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