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1443201344 = 26138320899
BaseRepresentation
bin101011000000101…
…1000000101000000
310201120122020001122
41112001120011000
510423424420334
6355112451412
750523003044
oct12601300500
93646566048
101443201344
11680716592
123433a9b68
1319ccc64c0
14d995a024
1586a7a32e
hex56058140

1443201344 has 56 divisors (see below), whose sum is σ = 3121456800. Its totient is φ = 658036224.

The previous prime is 1443201337. The next prime is 1443201377. The reversal of 1443201344 is 4431023441.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58607 + ... + 79505.

It is an arithmetic number, because the mean of its divisors is an integer number (55740300).

Almost surely, 21443201344 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 1443201344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560728400).

1443201344 is an abundant number, since it is smaller than the sum of its proper divisors (1678255456).

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

1443201344 is a wasteful number, since it uses less digits than its factorization.

1443201344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21007 (or 20997 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1443201344 is about 37989.4899149752. The cubic root of 1443201344 is about 1130.0794430795.

Adding to 1443201344 its reverse (4431023441), we get a palindrome (5874224785).

The spelling of 1443201344 in words is "one billion, four hundred forty-three million, two hundred one thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 83 104 166 208 332 416 664 832 1079 1328 2158 2656 4316 5312 8632 17264 20899 34528 41798 69056 83596 167192 271687 334384 543374 668768 1086748 1337536 1734617 2173496 3469234 4346992 6938468 8693984 13876936 17387968 22550021 27753872 45100042 55507744 90200084 111015488 180400168 360800336 721600672 1443201344