Base | Representation |
---|---|
bin | 11010100100101101110000 |
3 | 111002220201202 |
4 | 122210231300 |
5 | 3240404003 |
6 | 405150332 |
7 | 113132261 |
oct | 32445560 |
9 | 14086652 |
10 | 6966128 |
11 | 3a28834 |
12 | 23bb3a8 |
13 | 159b990 |
14 | cd4968 |
15 | 929088 |
hex | 6a4b70 |
6966128 has 40 divisors (see below), whose sum is σ = 14717808. Its totient is φ = 3174912.
The previous prime is 6966109. The next prime is 6966149. The reversal of 6966128 is 8216696.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 6966091 and 6966100.
It is a congruent number.
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, 22100 + ... + 22412.
Almost surely, 26966128 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 6966128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7358904).
6966128 is an abundant number, since it is smaller than the sum of its proper divisors (7751680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6966128 is a wasteful number, since it uses less digits than its factorization.
6966128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441 (or 435 counting only the distinct ones).
The product of its digits is 31104, while the sum is 38.
The square root of 6966128 is about 2639.3423423270. The cubic root of 6966128 is about 190.9840725733.
The spelling of 6966128 in words is "six million, nine hundred sixty-six thousand, one hundred twenty-eight".
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