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10838981 is a prime number
BaseRepresentation
bin101001010110…
…001111000101
3202101200021202
4221112033011
510233321411
61024152245
7161062346
oct51261705
922350252
1010838981
11613353a
123768685
1323266ca
1416220cd
15e4183b
hexa563c5

10838981 has 2 divisors, whose sum is σ = 10838982. Its totient is φ = 10838980.

The previous prime is 10838959. The next prime is 10839061. The reversal of 10838981 is 18983801.

10838981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 172225 = 3266^2 + 415^2 .

It is an emirp because it is prime and its reverse (18983801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10838981 - 26 = 10838917 is a prime.

It is a super-2 number, since 2×108389812 = 234967018236722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10838921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5419490 + 5419491.

It is an arithmetic number, because the mean of its divisors is an integer number (5419491).

Almost surely, 210838981 is an apocalyptic number.

It is an amenable number.

10838981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10838981 is an equidigital number, since it uses as much as digits as its factorization.

10838981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 10838981 is about 3292.2607733896. The cubic root of 10838981 is about 221.3075099205.

The spelling of 10838981 in words is "ten million, eight hundred thirty-eight thousand, nine hundred eighty-one".