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2112973 is a prime number
BaseRepresentation
bin1000000011110111001101
310222100110021
420003313031
51020103343
6113142141
723650162
oct10036715
93870407
102112973
111213565
1285a951
1358c9a5
143d0069
152bb0ed
hex203dcd

2112973 has 2 divisors, whose sum is σ = 2112974. Its totient is φ = 2112972.

The previous prime is 2112961. The next prime is 2112989. The reversal of 2112973 is 3792112.

2112973 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., 2111209 + 1764 = 1453^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112973 - 217 = 1981901 is a prime.

It is a super-3 number, since 3×21129733 = 28301085765996333951, which contains 333 as substring.

2112973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056486 + 1056487.

It is an arithmetic number, because the mean of its divisors is an integer number (1056487).

22112973 is an apocalyptic number.

It is an amenable number.

2112973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112973 is an equidigital number, since it uses as much as digits as its factorization.

2112973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 25.

The square root of 2112973 is about 1453.6068932143. The cubic root of 2112973 is about 128.3210730215.

The spelling of 2112973 in words is "two million, one hundred twelve thousand, nine hundred seventy-three".