Base | Representation |
---|---|
bin | 11010101000010110110100 |
3 | 111010200012012 |
4 | 122220112310 |
5 | 3241343134 |
6 | 405343352 |
7 | 113223620 |
oct | 32502664 |
9 | 14120165 |
10 | 6981044 |
11 | 3a38a64 |
12 | 2407b58 |
13 | 15a56c5 |
14 | cda180 |
15 | 92d6ce |
hex | 6a85b4 |
6981044 has 24 divisors (see below), whose sum is σ = 14027328. Its totient is φ = 2977920.
The previous prime is 6981043. The next prime is 6981053. The reversal of 6981044 is 4401896.
It is a self number, because there is not a number n which added to its sum of digits gives 6981044.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6981043) by changing a digit.
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, 7484 + ... + 8364.
It is an arithmetic number, because the mean of its divisors is an integer number (584472).
Almost surely, 26981044 is an apocalyptic number.
It is an amenable number.
6981044 is an abundant number, since it is smaller than the sum of its proper divisors (7046284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6981044 is a wasteful number, since it uses less digits than its factorization.
6981044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1175 (or 1173 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 6981044 is about 2642.1665352509. The cubic root of 6981044 is about 191.1202882539.
The spelling of 6981044 in words is "six million, nine hundred eighty-one thousand, forty-four".
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