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444525039 = 3277055953
BaseRepresentation
bin11010011111101…
…110100111101111
31010222110012201100
4122133232213233
51402244300124
6112035414143
714005254240
oct3237564757
91128405640
10444525039
11208a17272
12104a54353
137113098a
1443074cc7
152905b1c9
hex1a7ee9ef

444525039 has 12 divisors (see below), whose sum is σ = 733819216. Its totient is φ = 254014272.

The previous prime is 444525023. The next prime is 444525041. The reversal of 444525039 is 930525444.

It is a happy number.

It is not a de Polignac number, because 444525039 - 24 = 444525023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444524994 and 444525012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444525049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3527914 + ... + 3528039.

Almost surely, 2444525039 is an apocalyptic number.

444525039 is a deficient number, since it is larger than the sum of its proper divisors (289294177).

444525039 is a wasteful number, since it uses less digits than its factorization.

444525039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055966 (or 7055963 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 444525039 is about 21083.7624488610. The cubic root of 444525039 is about 763.1889544487.

The spelling of 444525039 in words is "four hundred forty-four million, five hundred twenty-five thousand, thirty-nine".

Divisors: 1 3 7 9 21 63 7055953 21167859 49391671 63503577 148175013 444525039