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300442313 = 1390121613
BaseRepresentation
bin10001111010000…
…110001011001001
3202221100001101002
4101322012023021
51103403123223
645451304345
710305501053
oct2172061311
9687301332
10300442313
11144656836
128474b0b5
134a324222
142bc8a8d3
151b599e28
hex11e862c9

300442313 has 4 divisors (see below), whose sum is σ = 300477828. Its totient is φ = 300406800.

The previous prime is 300442277. The next prime is 300442327. The reversal of 300442313 is 313244003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 313244003 = 814738449.

It can be written as a sum of positive squares in 2 ways, for example, as 284023609 + 16418704 = 16853^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 300442313 - 212 = 300438217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300441313) 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 in 3 ways as a sum of consecutive naturals, for example, 3095 + ... + 24707.

It is an arithmetic number, because the mean of its divisors is an integer number (75119457).

Almost surely, 2300442313 is an apocalyptic number.

It is an amenable number.

300442313 is a deficient number, since it is larger than the sum of its proper divisors (35515).

300442313 is a wasteful number, since it uses less digits than its factorization.

300442313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35514.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 300442313 is about 17333.2718492499. The cubic root of 300442313 is about 669.7617872989.

Adding to 300442313 its reverse (313244003), we get a palindrome (613686316).

The spelling of 300442313 in words is "three hundred million, four hundred forty-two thousand, three hundred thirteen".

Divisors: 1 13901 21613 300442313