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143440344 = 23321992227
BaseRepresentation
bin10001000110010…
…11100111011000
3100222220112011100
420203023213120
5243210042334
622122231400
73361136265
oct1043134730
9328815140
10143440344
1173a71943
1240055560
1323943258
141509c26c
15c8d5c99
hex88cb9d8

143440344 has 24 divisors (see below), whose sum is σ = 388484460. Its totient is φ = 47813424.

The previous prime is 143440331. The next prime is 143440361. The reversal of 143440344 is 443044341.

143440344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 996042 + ... + 996185.

Almost surely, 2143440344 is an apocalyptic number.

It is an amenable number.

143440344 is an abundant number, since it is smaller than the sum of its proper divisors (245044116).

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

143440344 is a wasteful number, since it uses less digits than its factorization.

143440344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992239 (or 1992232 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 143440344 is about 11976.6582985405. The cubic root of 143440344 is about 523.4683631535.

Adding to 143440344 its reverse (443044341), we get a palindrome (586484685).

The spelling of 143440344 in words is "one hundred forty-three million, four hundred forty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1992227 3984454 5976681 7968908 11953362 15937816 17930043 23906724 35860086 47813448 71720172 143440344