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1443143968 = 25743314879
BaseRepresentation
bin101011000000100…
…1010000100100000
310201120112022100121
41112001022010200
510423421101333
6355111330024
750522343550
oct12601120440
93646468317
101443143968
11680687472
12343380914
1319cca6356
14d9943160
1586a6832d
hex5604a120

1443143968 has 48 divisors (see below), whose sum is σ = 3254791680. Its totient is φ = 617020416.

The previous prime is 1443143963. The next prime is 1443143969. The reversal of 1443143968 is 8693413441.

It is not an unprimeable number, because it can be changed into a prime (1443143963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89553 + ... + 104431.

It is an arithmetic number, because the mean of its divisors is an integer number (67808160).

Almost surely, 21443143968 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 1443143968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627395840).

1443143968 is an abundant number, since it is smaller than the sum of its proper divisors (1811647712).

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

1443143968 is a wasteful number, since it uses less digits than its factorization.

1443143968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329 (or 15321 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 1443143968 is about 37988.7347512391. The cubic root of 1443143968 is about 1130.0644670454.

The spelling of 1443143968 in words is "one billion, four hundred forty-three million, one hundred forty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 433 866 1732 3031 3464 6062 6928 12124 13856 14879 24248 29758 48496 59516 96992 104153 119032 208306 238064 416612 476128 833224 1666448 3332896 6442607 12885214 25770428 45098249 51540856 90196498 103081712 180392996 206163424 360785992 721571984 1443143968