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444225025 = 52142312487
BaseRepresentation
bin11010011110100…
…101011000000001
31010221212222011201
4122132211120001
51402210200100
6112025141201
714002564456
oct3236453001
91127788151
10444225025
11208831922
1210492a801
137105725a
1442dd782d
1528eec36a
hex1a7a5601

444225025 has 12 divisors (see below), whose sum is σ = 551270272. Its totient is φ = 355101840.

The previous prime is 444225017. The next prime is 444225049. The reversal of 444225025 is 520522444.

It is not a de Polignac number, because 444225025 - 23 = 444225017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444224984 and 444225002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29332 + ... + 41818.

Almost surely, 2444225025 is an apocalyptic number.

It is an amenable number.

444225025 is a deficient number, since it is larger than the sum of its proper divisors (107045247).

444225025 is a wasteful number, since it uses less digits than its factorization.

444225025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13920 (or 13915 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 444225025 is about 21076.6464362811. The cubic root of 444225025 is about 763.0172214146.

Adding to 444225025 its reverse (520522444), we get a palindrome (964747469).

The spelling of 444225025 in words is "four hundred forty-four million, two hundred twenty-five thousand, twenty-five".

Divisors: 1 5 25 1423 7115 12487 35575 62435 312175 17769001 88845005 444225025