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6981341 = 191093371
BaseRepresentation
bin11010101000011011011101
3111010200121012
4122220123131
53241400331
6405345005
7113224523
oct32503335
914120535
106981341
113a39204
122408165
1315a5893
14cda313
1592d82b
hex6a86dd

6981341 has 8 divisors (see below), whose sum is σ = 7418400. Its totient is φ = 6551280.

The previous prime is 6981329. The next prime is 6981349. The reversal of 6981341 is 1431896.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6981341 - 26 = 6981277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6981298 and 6981307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981349) 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 7 ways as a sum of consecutive naturals, for example, 386 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (927300).

Almost surely, 26981341 is an apocalyptic number.

It is an amenable number.

6981341 is a deficient number, since it is larger than the sum of its proper divisors (437059).

6981341 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (6981340) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (3499).

6981341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499.

The product of its digits is 5184, while the sum is 32.

The square root of 6981341 is about 2642.2227385291. Note that the first 3 decimals coincide. The cubic root of 6981341 is about 191.1229985420.

The spelling of 6981341 in words is "six million, nine hundred eighty-one thousand, three hundred forty-one".

Divisors: 1 19 109 2071 3371 64049 367439 6981341