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2199941 is a prime number
BaseRepresentation
bin1000011001000110000101
311010202202022
420121012011
51030344231
6115052525
724461552
oct10310605
94122668
102199941
111272937
128a1145
135c0453
14413a29
152d6c7b
hex219185

2199941 has 2 divisors, whose sum is σ = 2199942. Its totient is φ = 2199940.

The previous prime is 2199931. The next prime is 2199959. The reversal of 2199941 is 1499912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2163841 + 36100 = 1471^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2199941 - 214 = 2183557 is a prime.

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 (2199931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099970 + 1099971.

It is an arithmetic number, because the mean of its divisors is an integer number (1099971).

22199941 is an apocalyptic number.

It is an amenable number.

2199941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199941 is an equidigital number, since it uses as much as digits as its factorization.

2199941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The square root of 2199941 is about 1483.2198083898. The cubic root of 2199941 is about 130.0579820248.

The spelling of 2199941 in words is "two million, one hundred ninety-nine thousand, nine hundred forty-one".