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44442012 = 223171311663
BaseRepresentation
bin1010100110001…
…0000110011100
310002121212222110
42221202012130
542334121022
64224314020
71046515356
oct251420634
9102555873
1044442012
11230a4a3a
1212a72910
139290664
145c8c0d6
153d7d00c
hex2a6219c

44442012 has 48 divisors (see below), whose sum is σ = 110702592. Its totient is φ = 13827840.

The previous prime is 44442011. The next prime is 44442017. The reversal of 44442012 is 21024444.

It is a super-3 number, since 3×444420123 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44442012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25893 + ... + 27555.

It is an arithmetic number, because the mean of its divisors is an integer number (2306304).

Almost surely, 244442012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44442012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55351296).

44442012 is an abundant number, since it is smaller than the sum of its proper divisors (66260580).

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

44442012 is a wasteful number, since it uses less digits than its factorization.

44442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44442012 is about 6666.4842308371. The cubic root of 44442012 is about 354.2130607981.

Adding to 44442012 its reverse (21024444), we get a palindrome (65466456).

The spelling of 44442012 in words is "forty-four million, four hundred forty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 131 204 262 393 524 786 1572 1663 2227 3326 4454 4989 6652 6681 8908 9978 13362 19956 26724 28271 56542 84813 113084 169626 217853 339252 435706 653559 871412 1307118 2614236 3703501 7407002 11110503 14814004 22221006 44442012