Search a number
-
+
2725769 is a prime number
BaseRepresentation
bin1010011001011110001001
312010111001102
422121132021
51144211034
6134231145
732111564
oct12313611
95114042
102725769
1115a1a02
12ab54b5
137458a7
1450d4db
1538c97e
hex299789

2725769 has 2 divisors, whose sum is σ = 2725770. Its totient is φ = 2725768.

The previous prime is 2725711. The next prime is 2725781. The reversal of 2725769 is 9675272.

2725769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1471369 + 1254400 = 1213^2 + 1120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2725769 is a prime.

It is a super-2 number, since 2×27257692 = 14859633282722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2725369) 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, 1362884 + 1362885.

It is an arithmetic number, because the mean of its divisors is an integer number (1362885).

22725769 is an apocalyptic number.

It is an amenable number.

2725769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2725769 is an equidigital number, since it uses as much as digits as its factorization.

2725769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 2725769 is about 1650.9903088753. The cubic root of 2725769 is about 139.6892597793.

The spelling of 2725769 in words is "two million, seven hundred twenty-five thousand, seven hundred sixty-nine".