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2195827 is a prime number
BaseRepresentation
bin1000011000000101110011
311010120002221
420120011303
51030231302
6115021511
724443554
oct10300563
94116087
102195827
11126a837
1289a897
135bb60a
1441232b
152d5937
hex218173

2195827 has 2 divisors, whose sum is σ = 2195828. Its totient is φ = 2195826.

The previous prime is 2195819. The next prime is 2195861. The reversal of 2195827 is 7285912.

It is an a-pointer prime, because the next prime (2195861) can be obtained adding 2195827 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2195827 - 23 = 2195819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2195792 and 2195801.

It is not a weakly prime, because it can be changed into another prime (2195867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097913 + 1097914.

It is an arithmetic number, because the mean of its divisors is an integer number (1097914).

22195827 is an apocalyptic number.

2195827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195827 is an equidigital number, since it uses as much as digits as its factorization.

2195827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 2195827 is about 1481.8323117006. The cubic root of 2195827 is about 129.9768597866.

The spelling of 2195827 in words is "two million, one hundred ninety-five thousand, eight hundred twenty-seven".