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1440444034 = 217353120017
BaseRepresentation
bin101010111011011…
…0110111010000010
310201101110010202001
41111312312322002
510422223202114
6354533414214
750460400201
oct12566667202
93641403661
101440444034
1167a102a17
1234249a36a
1319c56c463
14d943d238
15866d3374
hex55db6e82

1440444034 has 16 divisors (see below), whose sum is σ = 2294264088. Its totient is φ = 675930112.

The previous prime is 1440444013. The next prime is 1440444037. The reversal of 1440444034 is 4304440441.

It can be written as a sum of positive squares in 4 ways, for example, as 1439974809 + 469225 = 37947^2 + 685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1440443993 and 1440444011.

It is not an unprimeable number, because it can be changed into a prime (1440444037) 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 7 ways as a sum of consecutive naturals, for example, 48007 + ... + 72010.

Almost surely, 21440444034 is an apocalyptic number.

1440444034 is the 24004-th heptagonal number.

1440444034 is a deficient number, since it is larger than the sum of its proper divisors (853820054).

1440444034 is a wasteful number, since it uses less digits than its factorization.

1440444034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120389.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1440444034 is about 37953.1821327277. The cubic root of 1440444034 is about 1129.3592927267.

Adding to 1440444034 its reverse (4304440441), we get a palindrome (5744884475).

The spelling of 1440444034 in words is "one billion, four hundred forty million, four hundred forty-four thousand, thirty-four".

Divisors: 1 2 17 34 353 706 6001 12002 120017 240034 2040289 4080578 42366001 84732002 720222017 1440444034