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244445125 = 5317373109
BaseRepresentation
bin11101001000111…
…10111111000101
3122000222002200011
432210132333011
51000034221000
640131150221
76025515001
oct1644367705
9560862604
10244445125
11115a8a271
1269a45371
133b8491b2
1424671701
15166d82ba
hexe91efc5

244445125 has 32 divisors (see below), whose sum is σ = 331849440. Its totient is φ = 179020800.

The previous prime is 244445077. The next prime is 244445129. The reversal of 244445125 is 521544442.

It can be written as a sum of positive squares in 16 ways, for example, as 125395204 + 119049921 = 11198^2 + 10911^2 .

It is not a de Polignac number, because 244445125 - 219 = 243920837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244445129) 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 31 ways as a sum of consecutive naturals, for example, 77071 + ... + 80179.

It is an arithmetic number, because the mean of its divisors is an integer number (10370295).

Almost surely, 2244445125 is an apocalyptic number.

244445125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244445125 is a deficient number, since it is larger than the sum of its proper divisors (87404315).

244445125 is a wasteful number, since it uses less digits than its factorization.

244445125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3168 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 244445125 is about 15634.7409636361. The cubic root of 244445125 is about 625.2597320479.

Adding to 244445125 its reverse (521544442), we get a palindrome (765989567).

The spelling of 244445125 in words is "two hundred forty-four million, four hundred forty-five thousand, one hundred twenty-five".

Divisors: 1 5 17 25 37 85 125 185 425 629 925 2125 3109 3145 4625 15545 15725 52853 77725 78625 115033 264265 388625 575165 1321325 1955561 2875825 6606625 9777805 14379125 48889025 244445125