Search a number
-
+
2246789 is a prime number
BaseRepresentation
bin1000100100100010000101
311020011000102
420210202011
51033344124
6120053445
725045256
oct10444205
94204012
102246789
1112a5056
12904285
1360887c
14426b2d
152e5aae
hex224885

2246789 has 2 divisors, whose sum is σ = 2246790. Its totient is φ = 2246788.

The previous prime is 2246767. The next prime is 2246791. The reversal of 2246789 is 9876422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 664225 = 1258^2 + 815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2246789 is a prime.

Together with 2246791, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123394 + 1123395.

It is an arithmetic number, because the mean of its divisors is an integer number (1123395).

22246789 is an apocalyptic number.

It is an amenable number.

2246789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246789 is an equidigital number, since it uses as much as digits as its factorization.

2246789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 2246789 is about 1498.9292845228. The cubic root of 2246789 is about 130.9747052146.

The spelling of 2246789 in words is "two million, two hundred forty-six thousand, seven hundred eighty-nine".