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6980686 = 28234241
BaseRepresentation
bin11010101000010001001110
3111010122200221
4122220101032
53241340221
6405341554
7113222566
oct32502116
914118627
106980686
113a38769
1224078ba
1315a54ab
14cd9da6
1592d541
hex6a844e

6980686 has 8 divisors (see below), whose sum is σ = 10486224. Its totient is φ = 3485280.

The previous prime is 6980681. The next prime is 6980711. The reversal of 6980686 is 6860896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475 + ... + 3766.

It is an arithmetic number, because the mean of its divisors is an integer number (1310778).

Almost surely, 26980686 is an apocalyptic number.

6980686 is a deficient number, since it is larger than the sum of its proper divisors (3505538).

6980686 is a wasteful number, since it uses less digits than its factorization.

6980686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 6980686 is about 2642.0987869495. The cubic root of 6980686 is about 191.1170212052.

The spelling of 6980686 in words is "six million, nine hundred eighty thousand, six hundred eighty-six".

Divisors: 1 2 823 1646 4241 8482 3490343 6980686