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444524020 = 22522226201
BaseRepresentation
bin11010011111101…
…110010111110100
31010222110011022121
4122133232113310
51402244232040
6112035405324
714005251253
oct3237562764
91128404277
10444524020
11208a16526
12104a53844
1371130385
144307479a
152905ac4a
hex1a7ee5f4

444524020 has 12 divisors (see below), whose sum is σ = 933500484. Its totient is φ = 177809600.

The previous prime is 444523997. The next prime is 444524021. The reversal of 444524020 is 20425444.

It is a happy number.

444524020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189227536 + 255296484 = 13756^2 + 15978^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444524021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113081 + ... + 11113120.

It is an arithmetic number, because the mean of its divisors is an integer number (77791707).

Almost surely, 2444524020 is an apocalyptic number.

It is an amenable number.

444524020 is an abundant number, since it is smaller than the sum of its proper divisors (488976464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444524020 is a wasteful number, since it uses less digits than its factorization.

444524020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226210 (or 22226208 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 444524020 is about 21083.7382833311. The cubic root of 444524020 is about 763.1883712868.

Adding to 444524020 its reverse (20425444), we get a palindrome (464949464).

The spelling of 444524020 in words is "four hundred forty-four million, five hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 22226201 44452402 88904804 111131005 222262010 444524020