Search a number
-
+
300415081 is a prime number
BaseRepresentation
bin10001111001111…
…111100001101001
3202221021200000111
4101321333201221
51103401240311
645450534321
710305325501
oct2171774151
9687250014
10300415081
1114463832a
12847373a1
134a314a05
142bc80a01
151b591d21
hex11e7f869

300415081 has 2 divisors, whose sum is σ = 300415082. Its totient is φ = 300415080.

The previous prime is 300415051. The next prime is 300415103. The reversal of 300415081 is 180514003.

It is an a-pointer prime, because the next prime (300415103) can be obtained adding 300415081 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204061225 + 96353856 = 14285^2 + 9816^2 .

It is a cyclic number.

It is not a de Polignac number, because 300415081 - 213 = 300406889 is a prime.

It is a super-2 number, since 2×3004150812 = 180498441784473122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (300415021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150207540 + 150207541.

It is an arithmetic number, because the mean of its divisors is an integer number (150207541).

Almost surely, 2300415081 is an apocalyptic number.

It is an amenable number.

300415081 is a deficient number, since it is larger than the sum of its proper divisors (1).

300415081 is an equidigital number, since it uses as much as digits as its factorization.

300415081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 300415081 is about 17332.4862902008. The cubic root of 300415081 is about 669.7415510192.

Adding to 300415081 its reverse (180514003), we get a palindrome (480929084).

The spelling of 300415081 in words is "three hundred million, four hundred fifteen thousand, eighty-one".