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2112893 is a prime number
BaseRepresentation
bin1000000011110101111101
310222100100022
420003311331
51020103033
6113141525
723650016
oct10036575
93870308
102112893
1112134a2
1285a8a5
1358c943
143d000d
152bb098
hex203d7d

2112893 has 2 divisors, whose sum is σ = 2112894. Its totient is φ = 2112892.

The previous prime is 2112871. The next prime is 2112919. The reversal of 2112893 is 3982112.

It is an a-pointer prime, because the next prime (2112919) can be obtained adding 2112893 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1737124 + 375769 = 1318^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112893 - 26 = 2112829 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056446 + 1056447.

It is an arithmetic number, because the mean of its divisors is an integer number (1056447).

22112893 is an apocalyptic number.

It is an amenable number.

2112893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112893 is an equidigital number, since it uses as much as digits as its factorization.

2112893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 2112893 is about 1453.5793751977. The cubic root of 2112893 is about 128.3194535316.

The spelling of 2112893 in words is "two million, one hundred twelve thousand, eight hundred ninety-three".