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1443014443 = 13231674111
BaseRepresentation
bin101011000000010…
…1010011100101011
310201120021201200101
41112000222130223
510423402430233
6355104450231
750521264123
oct12600523453
93646251611
101443014443
116805a9122
12343319977
1319cc5c400
14d990bc83
1586a3ec7d
hex5602a72b

1443014443 has 24 divisors (see below), whose sum is σ = 1637431296. Its totient is φ = 1269496800.

The previous prime is 1443014429. The next prime is 1443014459. The reversal of 1443014443 is 3444103441.

It is a happy number.

It is not a de Polignac number, because 1443014443 - 29 = 1443013931 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443014483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348958 + ... + 353068.

It is an arithmetic number, because the mean of its divisors is an integer number (68226304).

Almost surely, 21443014443 is an apocalyptic number.

1443014443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1443014443 is a deficient number, since it is larger than the sum of its proper divisors (194416853).

1443014443 is a wasteful number, since it uses less digits than its factorization.

1443014443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235 (or 4222 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1443014443 is about 37987.0299312805. The cubic root of 1443014443 is about 1130.0306575335.

Adding to 1443014443 its reverse (3444103441), we get a palindrome (4887117884).

The spelling of 1443014443 in words is "one billion, four hundred forty-three million, fourteen thousand, four hundred forty-three".

Divisors: 1 13 31 67 169 403 871 2077 4111 5239 11323 27001 53443 127441 275437 351013 694759 1656733 3580681 8538547 21537529 46548853 111001111 1443014443