Search a number
-
+
2400223439 is a prime number
BaseRepresentation
bin1000111100010000…
…1000000011001111
320012021102222120102
42033010020003033
514403424122224
61034101041315
7113323363655
oct21704100317
96167388512
102400223439
111021955439
1256b9b623b
132c3366573
1418aabadd5
15e0abc4ae
hex8f1080cf

2400223439 has 2 divisors, whose sum is σ = 2400223440. Its totient is φ = 2400223438.

The previous prime is 2400223417. The next prime is 2400223451. The reversal of 2400223439 is 9343220042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2400223439 is a prime.

It is a super-2 number, since 2×24002234392 = 11522145114249973442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400223409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200111719 + 1200111720.

It is an arithmetic number, because the mean of its divisors is an integer number (1200111720).

Almost surely, 22400223439 is an apocalyptic number.

2400223439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400223439 is an equidigital number, since it uses as much as digits as its factorization.

2400223439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2400223439 is about 48992.0752673328. The cubic root of 2400223439 is about 1338.9074481608.

The spelling of 2400223439 in words is "two billion, four hundred million, two hundred twenty-three thousand, four hundred thirty-nine".