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6989382 = 233711823
BaseRepresentation
bin11010101010011001000110
3111011002122000
4122222121012
53242130012
6405450130
7113260131
oct32523106
914132560
106989382
113a44254
122410946
1315a943a
14cdd218
15930ddc
hex6aa646

6989382 has 32 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 2295720.

The previous prime is 6989369. The next prime is 6989383. The reversal of 6989382 is 2839896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989383) 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 15 ways as a sum of consecutive naturals, for example, 2923 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (492480).

Almost surely, 26989382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6989382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7879680).

6989382 is an abundant number, since it is smaller than the sum of its proper divisors (8769978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6989382 is a wasteful number, since it uses less digits than its factorization.

6989382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1899 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 6989382 is about 2643.7439361633. The cubic root of 6989382 is about 191.1963478875.

The spelling of 6989382 in words is "six million, nine hundred eighty-nine thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 71 142 213 426 639 1278 1823 1917 3646 3834 5469 10938 16407 32814 49221 98442 129433 258866 388299 776598 1164897 2329794 3494691 6989382