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1344435443 = 131995091021
BaseRepresentation
bin101000000100010…
…0111010011110011
310110200210101201022
41100020213103303
510223133413233
6341223530055
745213340601
oct12010472363
93420711638
101344435443
1162a99827a
123162b992b
131856c5640
14ca7aa871
157d06b398
hex502274f3

1344435443 has 16 divisors (see below), whose sum is σ = 1459416000. Its totient is φ = 1231148160.

The previous prime is 1344435437. The next prime is 1344435451. The reversal of 1344435443 is 3445344431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1344435443 - 220 = 1343386867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344435403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316273 + ... + 1317293.

It is an arithmetic number, because the mean of its divisors is an integer number (91213500).

Almost surely, 21344435443 is an apocalyptic number.

1344435443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1344435443 is a deficient number, since it is larger than the sum of its proper divisors (114980557).

1344435443 is a wasteful number, since it uses less digits than its factorization.

1344435443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its digits is 138240, while the sum is 35.

The square root of 1344435443 is about 36666.5439194915. The cubic root of 1344435443 is about 1103.6888396498.

Adding to 1344435443 its reverse (3445344431), we get a palindrome (4789779874).

The spelling of 1344435443 in words is "one billion, three hundred forty-four million, four hundred thirty-five thousand, four hundred forty-three".

Divisors: 1 13 199 509 1021 2587 6617 13273 101291 203179 519689 1316783 2641327 6755957 103418111 1344435443