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1344243243 = 3773876871
BaseRepresentation
bin101000000011111…
…1000011000101011
310110200102122001210
41100013320120223
510223111240433
6341215444203
745211610340
oct12007703053
93420378053
101344243243
1162a876932
12316226663
13185659005
14ca75a7c7
157d02e463
hex501f862b

1344243243 has 16 divisors (see below), whose sum is σ = 2076432896. Its totient is φ = 757615680.

The previous prime is 1344243203. The next prime is 1344243259. The reversal of 1344243243 is 3423424431.

It is a happy number.

It is not a de Polignac number, because 1344243243 - 214 = 1344226859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344243243.

It is not an unprimeable number, because it can be changed into a prime (1344243203) 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, 436903 + ... + 439968.

It is an arithmetic number, because the mean of its divisors is an integer number (129777056).

Almost surely, 21344243243 is an apocalyptic number.

1344243243 is a deficient number, since it is larger than the sum of its proper divisors (732189653).

1344243243 is an equidigital number, since it uses as much as digits as its factorization.

1344243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876954.

The product of its digits is 27648, while the sum is 30.

The square root of 1344243243 is about 36663.9229079486. The cubic root of 1344243243 is about 1103.6362428255.

Adding to 1344243243 its reverse (3423424431), we get a palindrome (4767667674).

The spelling of 1344243243 in words is "one billion, three hundred forty-four million, two hundred forty-three thousand, two hundred forty-three".

Divisors: 1 3 7 21 73 219 511 1533 876871 2630613 6138097 18414291 64011583 192034749 448081081 1344243243