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1444205444 = 221179741183
BaseRepresentation
bin101011000010100…
…1101001110000100
310201122112020102112
41112011031032010
510424204033234
6355150200152
750534354333
oct12605151604
93648466375
101444205444
11681241a20
123437b3058
131a0288546
14d9b3bd1a
1586bc7ace
hex5614d384

1444205444 has 24 divisors (see below), whose sum is σ = 2760645888. Its totient is φ = 655617440.

The previous prime is 1444205407. The next prime is 1444205461. The reversal of 1444205444 is 4445024441.

It is a self number, because there is not a number n which added to its sum of digits gives 1444205444.

It is an unprimeable number.

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, 14477 + ... + 55659.

It is an arithmetic number, because the mean of its divisors is an integer number (115026912).

Almost surely, 21444205444 is an apocalyptic number.

It is an amenable number.

1444205444 is a deficient number, since it is larger than the sum of its proper divisors (1316440444).

1444205444 is a wasteful number, since it uses less digits than its factorization.

1444205444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41995 (or 41993 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

The square root of 1444205444 is about 38002.7031143839. The cubic root of 1444205444 is about 1130.3414646651.

Adding to 1444205444 its reverse (4445024441), we get a palindrome (5889229885).

The spelling of 1444205444 in words is "one billion, four hundred forty-four million, two hundred five thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 797 1594 3188 8767 17534 35068 41183 82366 164732 453013 906026 1812052 32822851 65645702 131291404 361051361 722102722 1444205444