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1144440212 = 22479597307
BaseRepresentation
bin100010000110110…
…1100010110010100
32221202110120211112
41010031230112110
54320434041322
6305321154152
740234403246
oct10415542624
92852416745
101144440212
11538008963
1227b32b958
13153140576
14abdca096
156a7135e2
hex4436c594

1144440212 has 12 divisors (see below), whose sum is σ = 2006954880. Its totient is φ = 571024536.

The previous prime is 1144440211. The next prime is 1144440239. The reversal of 1144440212 is 2120444411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144440211) 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 3 ways as a sum of consecutive naturals, for example, 296738 + ... + 300569.

It is an arithmetic number, because the mean of its divisors is an integer number (167246240).

Almost surely, 21144440212 is an apocalyptic number.

It is an amenable number.

1144440212 is a deficient number, since it is larger than the sum of its proper divisors (862514668).

1144440212 is a wasteful number, since it uses less digits than its factorization.

1144440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597790 (or 597788 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1144440212 is about 33829.5759949781. The cubic root of 1144440212 is about 1045.9984389201.

Adding to 1144440212 its reverse (2120444411), we get a palindrome (3264884623).

The spelling of 1144440212 in words is "one billion, one hundred forty-four million, four hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 479 958 1916 597307 1194614 2389228 286110053 572220106 1144440212