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444013242 = 231721913477
BaseRepresentation
bin11010011101110…
…001101010111010
31010221111012122220
4122131301222322
51402131410432
6112020424510
714001023151
oct3235615272
91127435586
10444013242
112086a77a2
12104848136
1370cb1a3a
1442d80598
1528ea972c
hex1a771aba

444013242 has 48 divisors (see below), whose sum is σ = 993059040. Its totient is φ = 131956992.

The previous prime is 444013237. The next prime is 444013243. The reversal of 444013242 is 242310444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (444013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26208 + ... + 39684.

It is an arithmetic number, because the mean of its divisors is an integer number (20688730).

Almost surely, 2444013242 is an apocalyptic number.

444013242 is an abundant number, since it is smaller than the sum of its proper divisors (549045798).

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

444013242 is a wasteful number, since it uses less digits than its factorization.

444013242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535 (or 13518 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444013242 is about 21071.6217221172. The cubic root of 444013242 is about 762.8959467199.

Adding to 444013242 its reverse (242310444), we get a palindrome (686323686).

The spelling of 444013242 in words is "four hundred forty-four million, thirteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 289 323 578 646 867 969 1734 1938 5491 10982 13477 16473 26954 32946 40431 80862 229109 256063 458218 512126 687327 768189 1374654 1536378 3894853 4353071 7789706 8706142 11684559 13059213 23369118 26118426 74002207 148004414 222006621 444013242