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143104444 = 22729176237
BaseRepresentation
bin10001000011110…
…01100110111100
3100222021110101121
420201321212330
5243113320234
622111120324
73355240060
oct1041714674
9328243347
10143104444
117386253a
123bb130a4
13238563b2
1415011aa0
15c86b4b4
hex88799bc

143104444 has 24 divisors (see below), whose sum is σ = 296079840. Its totient is φ = 59215296.

The previous prime is 143104439. The next prime is 143104477. The reversal of 143104444 is 444401341.

It is a happy number.

143104444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87307 + ... + 88930.

It is an arithmetic number, because the mean of its divisors is an integer number (12336660).

Almost surely, 2143104444 is an apocalyptic number.

143104444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143104444 is an abundant number, since it is smaller than the sum of its proper divisors (152975396).

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

143104444 is a wasteful number, since it uses less digits than its factorization.

143104444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176277 (or 176275 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 143104444 is about 11962.6269690232. The cubic root of 143104444 is about 523.0594348403.

Adding to 143104444 its reverse (444401341), we get a palindrome (587505785).

The spelling of 143104444 in words is "one hundred forty-three million, one hundred four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 176237 352474 704948 1233659 2467318 4934636 5110873 10221746 20443492 35776111 71552222 143104444