Search a number
-
+
2185103 is a prime number
BaseRepresentation
bin1000010101011110001111
311010000101202
420111132033
51024410403
6114500115
724400364
oct10253617
94100352
102185103
111262778
1289463b
135b677b
1440c46b
152d2688
hex21578f

2185103 has 2 divisors, whose sum is σ = 2185104. Its totient is φ = 2185102.

The previous prime is 2185091. The next prime is 2185151. The reversal of 2185103 is 3015812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2185103 - 212 = 2181007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2185193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092551 + 1092552.

It is an arithmetic number, because the mean of its divisors is an integer number (1092552).

22185103 is an apocalyptic number.

2185103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185103 is an equidigital number, since it uses as much as digits as its factorization.

2185103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2185103 is about 1478.2093897686. The cubic root of 2185103 is about 129.7649203281.

The spelling of 2185103 in words is "two million, one hundred eighty-five thousand, one hundred three".