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11983841 is a prime number
BaseRepresentation
bin101101101101…
…101111100001
3211112211201222
4231231233201
511031440331
61104504425
7203601212
oct55555741
924484658
1011983841
116845701
12401b115
13263783c
14183d409
1510bab7b
hexb6dbe1

11983841 has 2 divisors, whose sum is σ = 11983842. Its totient is φ = 11983840.

The previous prime is 11983823. The next prime is 11983843. The reversal of 11983841 is 14838911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 1615441 = 3220^2 + 1271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11983841 is a prime.

It is a super-2 number, since 2×119838412 = 287224890226562, which contains 22 as substring.

Together with 11983843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11983843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5991920 + 5991921.

It is an arithmetic number, because the mean of its divisors is an integer number (5991921).

Almost surely, 211983841 is an apocalyptic number.

It is an amenable number.

11983841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11983841 is an equidigital number, since it uses as much as digits as its factorization.

11983841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 11983841 is about 3461.7684786825. The cubic root of 11983841 is about 228.8400388082.

The spelling of 11983841 in words is "eleven million, nine hundred eighty-three thousand, eight hundred forty-one".