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10868849 is a prime number
BaseRepresentation
bin101001011101…
…100001110001
3202110012020222
4221131201301
510240300344
61024542425
7161245415
oct51354161
922405228
1010868849
116153a22
123781a15
132337194
14162cd45
15e4a5ee
hexa5d871

10868849 has 2 divisors, whose sum is σ = 10868850. Its totient is φ = 10868848.

The previous prime is 10868843. The next prime is 10868867. The reversal of 10868849 is 94886801.

It is a happy number.

10868849 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., 10240000 + 628849 = 3200^2 + 793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10868849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10868843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5434424 + 5434425.

It is an arithmetic number, because the mean of its divisors is an integer number (5434425).

Almost surely, 210868849 is an apocalyptic number.

It is an amenable number.

10868849 is a deficient number, since it is larger than the sum of its proper divisors (1).

10868849 is an equidigital number, since it uses as much as digits as its factorization.

10868849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 10868849 is about 3296.7937454442. The cubic root of 10868849 is about 221.5106025189.

The spelling of 10868849 in words is "ten million, eight hundred sixty-eight thousand, eight hundred forty-nine".