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1444673692 = 2271126532
BaseRepresentation
bin101011000011011…
…1111100010011100
310201200102000202001
41112012333202130
510424314024232
6355204212044
750541344440
oct12606774234
93650360661
101444673692
11681531800
1234399a024
131a03c0707
14d9c20820
1586c6b6e7
hex561bf89c

1444673692 has 54 divisors (see below), whose sum is σ = 3180765224. Its totient is φ = 561997920.

The previous prime is 1444673689. The next prime is 1444673701. The reversal of 1444673692 is 2963764441.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 2212038 + ... + 2212690.

Almost surely, 21444673692 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 1444673692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590382612).

1444673692 is an abundant number, since it is smaller than the sum of its proper divisors (1736091532).

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

1444673692 is an equidigital number, since it uses as much as digits as its factorization.

1444673692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 673 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 1444673692 is about 38008.8633347539. The cubic root of 1444673692 is about 1130.4636132464.

The spelling of 1444673692 in words is "one billion, four hundred forty-four million, six hundred seventy-three thousand, six hundred ninety-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 653 847 1306 1694 2612 3388 4571 7183 9142 14366 18284 28732 50281 79013 100562 158026 201124 316052 426409 553091 852818 1106182 1705636 2212364 2984863 4690499 5969726 9380998 11939452 18761996 32833493 51595489 65666986 103190978 131333972 206381956 361168423 722336846 1444673692