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300444431 = 7210615779
BaseRepresentation
bin10001111010000…
…110101100001111
3202221100011021112
4101322012230033
51103403210211
645451322235
710305510200
oct2172065417
9687304245
10300444431
11144658391
128475037b
134a325191
142bc8b5a7
151b59a88b
hex11e86b0f

300444431 has 12 divisors (see below), whose sum is σ = 349886520. Its totient is φ = 257236560.

The previous prime is 300444427. The next prime is 300444457. The reversal of 300444431 is 134444003.

It is not a de Polignac number, because 300444431 - 22 = 300444427 is a prime.

It is a super-2 number, since 2×3004444312 = 180533712237827522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300444397 and 300444406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300444401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49100 + ... + 54878.

It is an arithmetic number, because the mean of its divisors is an integer number (29157210).

Almost surely, 2300444431 is an apocalyptic number.

300444431 is a deficient number, since it is larger than the sum of its proper divisors (49442089).

300444431 is a wasteful number, since it uses less digits than its factorization.

300444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6847 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 300444431 is about 17333.3329455128. The cubic root of 300444431 is about 669.7633611475.

Adding to 300444431 its reverse (134444003), we get a palindrome (434888434).

The spelling of 300444431 in words is "three hundred million, four hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 7 49 1061 5779 7427 40453 51989 283171 6131519 42920633 300444431