Search a number
-
+
2648189 is a prime number
BaseRepresentation
bin1010000110100001111101
311222112122002
422012201331
51134220224
6132432045
731336445
oct12064175
94875562
102648189
111549695
12a78625
1371949b
144cd125
153749ae
hex28687d

2648189 has 2 divisors, whose sum is σ = 2648190. Its totient is φ = 2648188.

The previous prime is 2648183. The next prime is 2648207. The reversal of 2648189 is 9818462.

2648189 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., 2199289 + 448900 = 1483^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648189 - 212 = 2644093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648183) 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, 1324094 + 1324095.

It is an arithmetic number, because the mean of its divisors is an integer number (1324095).

22648189 is an apocalyptic number.

It is an amenable number.

2648189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648189 is an equidigital number, since it uses as much as digits as its factorization.

2648189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 2648189 is about 1627.3257203154. The cubic root of 2648189 is about 138.3512197643.

The spelling of 2648189 in words is "two million, six hundred forty-eight thousand, one hundred eighty-nine".