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444385038 = 23292553937
BaseRepresentation
bin11010011111001…
…100011100001110
31010222012002200010
4122133030130032
51402230310123
6112032414050
714004132126
oct3237143416
91128162603
10444385038
11208931069
121049a7326
13710b2036
1443039c86
152902e993
hex1a7cc70e

444385038 has 16 divisors (see below), whose sum is σ = 919417680. Its totient is φ = 143020416.

The previous prime is 444385037. The next prime is 444385063. The reversal of 444385038 is 830583444.

It is a happy number.

It is a super-2 number, since 2×4443850382 = 394956123996522888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444384987 and 444385005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444385037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276795 + ... + 1277142.

It is an arithmetic number, because the mean of its divisors is an integer number (57463605).

Almost surely, 2444385038 is an apocalyptic number.

444385038 is an abundant number, since it is smaller than the sum of its proper divisors (475032642).

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

444385038 is a wasteful number, since it uses less digits than its factorization.

444385038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553971.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 444385038 is about 21080.4420731635. The cubic root of 444385038 is about 763.1088251523.

The spelling of 444385038 in words is "four hundred forty-four million, three hundred eighty-five thousand, thirty-eight".

Divisors: 1 2 3 6 29 58 87 174 2553937 5107874 7661811 15323622 74064173 148128346 222192519 444385038