Search a number
-
+
1444042012 = 227337115299
BaseRepresentation
bin101011000010010…
…0101010100011100
310201122012221020111
41112010211110130
510424133321022
6355142455404
750533104010
oct12604452434
93648187214
101444042012
11681140156
12343734564
131a022c03a
14d9ad8540
1586b94477
hex5612551c

1444042012 has 24 divisors (see below), whose sum is σ = 2889129600. Its totient is φ = 618651120.

The previous prime is 1444042001. The next prime is 1444042013. The reversal of 1444042012 is 2102404441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444042013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86739 + ... + 102037.

It is an arithmetic number, because the mean of its divisors is an integer number (120380400).

Almost surely, 21444042012 is an apocalyptic number.

It is an amenable number.

1444042012 is an abundant number, since it is smaller than the sum of its proper divisors (1445087588).

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

1444042012 is a wasteful number, since it uses less digits than its factorization.

1444042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18681 (or 18679 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1444042012 is about 38000.5527854530. The cubic root of 1444042012 is about 1130.2988250864.

Adding to 1444042012 its reverse (2102404441), we get a palindrome (3546446453).

The spelling of 1444042012 in words is "one billion, four hundred forty-four million, forty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 3371 6742 13484 15299 23597 30598 47194 61196 94388 107093 214186 428372 51572929 103145858 206291716 361010503 722021006 1444042012