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11689941 = 312893023
BaseRepresentation
bin101100100101…
…111111010101
3210222220120210
4230211333111
510443034231
61054320033
7201235314
oct54457725
923886523
1011689941
11666490a
123ab9019
132563b33
1417a427b
15105da46
hexb25fd5

11689941 has 8 divisors (see below), whose sum is σ = 15603840. Its totient is φ = 7784672.

The previous prime is 11689939. The next prime is 11689973. The reversal of 11689941 is 14998611.

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 11689941 - 21 = 11689939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11689941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (1950480).

Almost surely, 211689941 is an apocalyptic number.

It is an amenable number.

11689941 is a deficient number, since it is larger than the sum of its proper divisors (3913899).

11689941 is a wasteful number, since it uses less digits than its factorization.

11689941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315.

The product of its digits is 15552, while the sum is 39.

The square root of 11689941 is about 3419.0555713530. The cubic root of 11689941 is about 226.9537900724.

The spelling of 11689941 in words is "eleven million, six hundred eighty-nine thousand, nine hundred forty-one".

Divisors: 1 3 1289 3023 3867 9069 3896647 11689941