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444304131 = 3148101377
BaseRepresentation
bin11010011110111…
…000101100000011
31010222000222200120
4122132320230003
51402220213011
6112030551323
714003344215
oct3236705403
91128028616
10444304131
112088862a7
12104968543
137108426b
14430185b5
1529015a06
hex1a7b8b03

444304131 has 4 divisors (see below), whose sum is σ = 592405512. Its totient is φ = 296202752.

The previous prime is 444304123. The next prime is 444304153. The reversal of 444304131 is 131403444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444304131 - 23 = 444304123 is a prime.

It is a super-2 number, since 2×4443041312 = 394812321647330322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444304171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74050686 + ... + 74050691.

It is an arithmetic number, because the mean of its divisors is an integer number (148101378).

Almost surely, 2444304131 is an apocalyptic number.

444304131 is a deficient number, since it is larger than the sum of its proper divisors (148101381).

444304131 is a wasteful number, since it uses less digits than its factorization.

444304131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148101380.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 444304131 is about 21078.5229795638. The cubic root of 444304131 is about 763.0625105169.

Adding to 444304131 its reverse (131403444), we get a palindrome (575707575).

The spelling of 444304131 in words is "four hundred forty-four million, three hundred four thousand, one hundred thirty-one".

Divisors: 1 3 148101377 444304131