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44048385 = 325978853
BaseRepresentation
bin1010100000001…
…0000000000001
310001212220000200
42220002000001
542234022020
64212035413
71043255643
oct250020001
9101786020
1044048385
1122956227
1212902b69
139183444
145bc8893
153d01590
hex2a02001

44048385 has 12 divisors (see below), whose sum is σ = 76350612. Its totient is φ = 23492448.

The previous prime is 44048363. The next prime is 44048387. The reversal of 44048385 is 58384044.

It can be written as a sum of positive squares in 2 ways, for example, as 10419984 + 33628401 = 3228^2 + 5799^2 .

It is not a de Polignac number, because 44048385 - 210 = 44047361 is a prime.

It is a super-2 number, since 2×440483852 = 3880520442216450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44048387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489382 + ... + 489471.

It is an arithmetic number, because the mean of its divisors is an integer number (6362551).

It is a Proth number, since it is equal to 5377 ⋅ 213 + 1 and 5377 < 213.

Almost surely, 244048385 is an apocalyptic number.

44048385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44048385 is a deficient number, since it is larger than the sum of its proper divisors (32302227).

44048385 is a wasteful number, since it uses less digits than its factorization.

44048385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978864 (or 978861 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 44048385 is about 6636.8957352063. The cubic root of 44048385 is about 353.1641921154.

The spelling of 44048385 in words is "forty-four million, forty-eight thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 45 978853 2936559 4894265 8809677 14682795 44048385