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2440069 is a prime number
BaseRepresentation
bin1001010011101110000101
311120222010221
421103232011
51111040234
6124144341
726511622
oct11235605
94528127
102440069
111417295
129980b1
13675838
14477349
15332eb4
hex253b85

2440069 has 2 divisors, whose sum is σ = 2440070. Its totient is φ = 2440068.

The previous prime is 2440049. The next prime is 2440079. The reversal of 2440069 is 9600442.

2440069 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., 2439844 + 225 = 1562^2 + 15^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2440069 is a prime.

It is a super-2 number, since 2×24400692 = 11907873449522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440019) 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, 1220034 + 1220035.

It is an arithmetic number, because the mean of its divisors is an integer number (1220035).

22440069 is an apocalyptic number.

It is an amenable number.

2440069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440069 is an equidigital number, since it uses as much as digits as its factorization.

2440069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2440069 is about 1562.0720213870. The cubic root of 2440069 is about 134.6275789518.

The spelling of 2440069 in words is "two million, four hundred forty thousand, sixty-nine".