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143104108 = 22721275749
BaseRepresentation
bin10001000011110…
…01100001101100
3100222021102221011
420201321201230
5243113312413
622111115004
73355236100
oct1041714154
9328242834
10143104108
1173862264
123bb12a64
13238561b4
1415011900
15c86b33d
hex887986c

143104108 has 36 divisors (see below), whose sum is σ = 293664000. Its totient is φ = 60836832.

The previous prime is 143104099. The next prime is 143104111. The reversal of 143104108 is 801401341.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22018 + ... + 27766.

Almost surely, 2143104108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143104108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146832000).

143104108 is an abundant number, since it is smaller than the sum of its proper divisors (150559892).

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

143104108 is a wasteful number, since it uses less digits than its factorization.

143104108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894 (or 5885 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 143104108 is about 11962.6129252768. The cubic root of 143104108 is about 523.0590254700.

Adding to 143104108 its reverse (801401341), we get a palindrome (944505449).

The spelling of 143104108 in words is "one hundred forty-three million, one hundred four thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 49 98 127 196 254 508 889 1778 3556 5749 6223 11498 12446 22996 24892 40243 80486 160972 281701 563402 730123 1126804 1460246 2920492 5110861 10221722 20443444 35776027 71552054 143104108