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444401225 = 52103172583
BaseRepresentation
bin11010011111010…
…000011001001001
31010222012220212122
4122133100121021
51402231314400
6112033021025
714004230252
oct3237203111
91128186778
10444401225
11208942244
121049b4775
13710b9508
1443041b29
1529034685
hex1a7d0649

444401225 has 12 divisors (see below), whose sum is σ = 556410816. Its totient is φ = 352067280.

The previous prime is 444401183. The next prime is 444401257. The reversal of 444401225 is 522104444.

It is not a de Polignac number, because 444401225 - 224 = 427624009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444401194 and 444401203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83717 + ... + 88866.

It is an arithmetic number, because the mean of its divisors is an integer number (46367568).

Almost surely, 2444401225 is an apocalyptic number.

It is an amenable number.

444401225 is a deficient number, since it is larger than the sum of its proper divisors (112009591).

444401225 is a wasteful number, since it uses less digits than its factorization.

444401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172696 (or 172691 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 444401225 is about 21080.8260037409. The cubic root of 444401225 is about 763.1180906102.

Adding to 444401225 its reverse (522104444), we get a palindrome (966505669).

The spelling of 444401225 in words is "four hundred forty-four million, four hundred one thousand, two hundred twenty-five".

Divisors: 1 5 25 103 515 2575 172583 862915 4314575 17776049 88880245 444401225