Base | Representation |
---|---|
bin | 10111101101110100010100 |
3 | 102200212002112 |
4 | 113231310110 |
5 | 3042420410 |
6 | 341130152 |
7 | 103562210 |
oct | 27556424 |
9 | 12625075 |
10 | 6216980 |
11 | 3566a00 |
12 | 20b9958 |
13 | 13989b3 |
14 | b7b940 |
15 | 82c105 |
hex | 5edd14 |
6216980 has 72 divisors (see below), whose sum is σ = 16445184. Its totient is φ = 1932480.
The previous prime is 6216979. The next prime is 6216989. The reversal of 6216980 is 896126.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6216989) 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 23 ways as a sum of consecutive naturals, for example, 16757 + ... + 17123.
Almost surely, 26216980 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6216980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8222592).
6216980 is an abundant number, since it is smaller than the sum of its proper divisors (10228204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6216980 is a wasteful number, since it uses less digits than its factorization.
6216980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405 (or 392 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 6216980 is about 2493.3872543189. The cubic root of 6216980 is about 183.8766107212.
The spelling of 6216980 in words is "six million, two hundred sixteen thousand, nine hundred eighty".
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