Search a number
-
+
300442661 is a prime number
BaseRepresentation
bin10001111010000…
…110010000100101
3202221100001211222
4101322012100211
51103403131121
645451310125
710305502061
oct2172062045
9687301758
10300442661
11144657022
128474b345
134a32442c
142bc8aaa1
151b59a0ab
hex11e86425

300442661 has 2 divisors, whose sum is σ = 300442662. Its totient is φ = 300442660.

The previous prime is 300442643. The next prime is 300442739. The reversal of 300442661 is 166244003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288150625 + 12292036 = 16975^2 + 3506^2 .

It is a cyclic number.

It is not a de Polignac number, because 300442661 - 214 = 300426277 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 300442661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300442621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150221330 + 150221331.

It is an arithmetic number, because the mean of its divisors is an integer number (150221331).

Almost surely, 2300442661 is an apocalyptic number.

It is an amenable number.

300442661 is a deficient number, since it is larger than the sum of its proper divisors (1).

300442661 is an equidigital number, since it uses as much as digits as its factorization.

300442661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 300442661 is about 17333.2818877442. The cubic root of 300442661 is about 669.7620458921.

Adding to 300442661 its reverse (166244003), we get a palindrome (466686664).

It can be divided in two parts, 300442 and 661, that added together give a palindrome (301103).

The spelling of 300442661 in words is "three hundred million, four hundred forty-two thousand, six hundred sixty-one".