Search a number
-
+
24730009 is a prime number
BaseRepresentation
bin101111001010…
…1100110011001
31201112102012021
41132111212121
522312330014
62242014441
7420126103
oct136254631
951472167
1024730009
1112a61027
128347421
13517b355
1433da573
152287624
hex1795999

24730009 has 2 divisors, whose sum is σ = 24730010. Its totient is φ = 24730008.

The previous prime is 24729997. The next prime is 24730021. The reversal of 24730009 is 90003742.

It is a balanced prime because it is at equal distance from previous prime (24729997) and next prime (24730021).

It can be written as a sum of positive squares in only one way, i.e., 18619225 + 6110784 = 4315^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 24730009 - 223 = 16341401 is a prime.

It is a super-2 number, since 2×247300092 = 1223146690280162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24731009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12365004 + 12365005.

It is an arithmetic number, because the mean of its divisors is an integer number (12365005).

Almost surely, 224730009 is an apocalyptic number.

It is an amenable number.

24730009 is a deficient number, since it is larger than the sum of its proper divisors (1).

24730009 is an equidigital number, since it uses as much as digits as its factorization.

24730009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 24730009 is about 4972.9276085622. The cubic root of 24730009 is about 291.3453503495.

The spelling of 24730009 in words is "twenty-four million, seven hundred thirty thousand, nine".