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444315425 = 5237480341
BaseRepresentation
bin11010011110111…
…011011100100001
31010222001120011212
4122132323130201
51402221043200
6112031115505
714003422151
oct3236733441
91128046155
10444315425
11208893834
12104972b95
1371089448
144301c761
1529019035
hex1a7bb721

444315425 has 12 divisors (see below), whose sum is σ = 565842876. Its totient is φ = 345844800.

The previous prime is 444315413. The next prime is 444315427. The reversal of 444315425 is 524513444.

It can be written as a sum of positive squares in 6 ways, for example, as 117649 + 444197776 = 343^2 + 21076^2 .

It is not a de Polignac number, because 444315425 - 210 = 444314401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444315391 and 444315400.

It is not an unprimeable number, because it can be changed into a prime (444315427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239246 + ... + 241095.

It is an arithmetic number, because the mean of its divisors is an integer number (47153573).

Almost surely, 2444315425 is an apocalyptic number.

It is an amenable number.

444315425 is a deficient number, since it is larger than the sum of its proper divisors (121527451).

444315425 is a wasteful number, since it uses less digits than its factorization.

444315425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480388 (or 480383 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 444315425 is about 21078.7908808831. The cubic root of 444315425 is about 763.0689760243.

Adding to 444315425 its reverse (524513444), we get a palindrome (968828869).

The spelling of 444315425 in words is "four hundred forty-four million, three hundred fifteen thousand, four hundred twenty-five".

Divisors: 1 5 25 37 185 925 480341 2401705 12008525 17772617 88863085 444315425