Search a number
-
+
2195933 is a prime number
BaseRepresentation
bin1000011000000111011101
311010120020212
420120013131
51030232213
6115022205
724444065
oct10300735
94116225
102195933
11126a923
1289a965
135bb68c
144123a5
152d59a8
hex2181dd

2195933 has 2 divisors, whose sum is σ = 2195934. Its totient is φ = 2195932.

The previous prime is 2195923. The next prime is 2195969. The reversal of 2195933 is 3395912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2184484 + 11449 = 1478^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195933 - 24 = 2195917 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2195933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2195923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097966 + 1097967.

It is an arithmetic number, because the mean of its divisors is an integer number (1097967).

22195933 is an apocalyptic number.

It is an amenable number.

2195933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195933 is an equidigital number, since it uses as much as digits as its factorization.

2195933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 32.

The square root of 2195933 is about 1481.8680777991. The cubic root of 2195933 is about 129.9789512272.

The spelling of 2195933 in words is "two million, one hundred ninety-five thousand, nine hundred thirty-three".