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44450225 = 521778009
BaseRepresentation
bin1010100110010…
…0000110110001
310002122022020122
42221210012301
542334401400
64224420025
71046551331
oct251440661
9102568218
1044450225
1123100126
1212a77615
139294311
145c910c1
153d80685
hex2a641b1

44450225 has 6 divisors (see below), whose sum is σ = 55118310. Its totient is φ = 35560160.

The previous prime is 44450221. The next prime is 44450239. The reversal of 44450225 is 52205444.

It can be written as a sum of positive squares in 3 ways, for example, as 519841 + 43930384 = 721^2 + 6628^2 .

It is not a de Polignac number, because 44450225 - 22 = 44450221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44450194 and 44450203.

It is not an unprimeable number, because it can be changed into a prime (44450221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 888980 + ... + 889029.

It is an arithmetic number, because the mean of its divisors is an integer number (9186385).

Almost surely, 244450225 is an apocalyptic number.

It is an amenable number.

44450225 is a deficient number, since it is larger than the sum of its proper divisors (10668085).

44450225 is a wasteful number, since it uses less digits than its factorization.

44450225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778019 (or 1778014 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 44450225 is about 6667.1001942374. The cubic root of 44450225 is about 354.2348792874.

Adding to 44450225 its reverse (52205444), we get a palindrome (96655669).

The spelling of 44450225 in words is "forty-four million, four hundred fifty thousand, two hundred twenty-five".

Divisors: 1 5 25 1778009 8890045 44450225