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300444005 = 5313191977
BaseRepresentation
bin10001111010000…
…110100101100101
3202221100010200202
4101322012211211
51103403202010
645451320245
710305506021
oct2172064545
9687303622
10300444005
11144658034
1284750085
134a324c24
142bc8b381
151b59a6a5
hex11e86965

300444005 has 8 divisors (see below), whose sum is σ = 361686552. Its totient is φ = 239586048.

The previous prime is 300443977. The next prime is 300444007. The reversal of 300444005 is 500444003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5909761 + 294534244 = 2431^2 + 17162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 300444005 - 228 = 32008549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300444007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94424 + ... + 97553.

It is an arithmetic number, because the mean of its divisors is an integer number (45210819).

Almost surely, 2300444005 is an apocalyptic number.

It is an amenable number.

300444005 is a deficient number, since it is larger than the sum of its proper divisors (61242547).

300444005 is a wasteful number, since it uses less digits than its factorization.

300444005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192295.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 300444005 is about 17333.3206570466. The cubic root of 300444005 is about 669.7630445950.

Adding to 300444005 its reverse (500444003), we get a palindrome (800888008).

The spelling of 300444005 in words is "three hundred million, four hundred forty-four thousand, five".

Divisors: 1 5 313 1565 191977 959885 60088801 300444005