Search a number
-
+
24262421 is a prime number
BaseRepresentation
bin101110010001…
…1011100010101
31200122122210012
41130203130111
522202344141
62224010005
7413140631
oct134433425
950578705
1024262421
1112771797
128160905
135046581
143317dc1
1521e3ceb
hex1723715

24262421 has 2 divisors, whose sum is σ = 24262422. Its totient is φ = 24262420.

The previous prime is 24262409. The next prime is 24262453. The reversal of 24262421 is 12426242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19018321 + 5244100 = 4361^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 24262421 - 214 = 24246037 is a prime.

It is a super-3 number, since 3×242624213 (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24267421) 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, 12131210 + 12131211.

It is an arithmetic number, because the mean of its divisors is an integer number (12131211).

Almost surely, 224262421 is an apocalyptic number.

It is an amenable number.

24262421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24262421 is an equidigital number, since it uses as much as digits as its factorization.

24262421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 24262421 is about 4925.6899009174. The cubic root of 24262421 is about 289.4974291898.

Adding to 24262421 its reverse (12426242), we get a palindrome (36688663).

The spelling of 24262421 in words is "twenty-four million, two hundred sixty-two thousand, four hundred twenty-one".