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143641104 = 24331372609
BaseRepresentation
bin10001000111111…
…00101000010000
3101000021201112220
420203330220100
5243233003404
622130421040
73362633505
oct1043745020
9330251486
10143641104
1174099762
1240131780
13239b3749
14151114ac
15c9254d9
hex88fca10

143641104 has 80 divisors (see below), whose sum is σ = 393546240. Its totient is φ = 45066240.

The previous prime is 143641097. The next prime is 143641123. The reversal of 143641104 is 401146341.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53752 + ... + 56360.

It is an arithmetic number, because the mean of its divisors is an integer number (4919328).

Almost surely, 2143641104 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 143641104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196773120).

143641104 is an abundant number, since it is smaller than the sum of its proper divisors (249905136).

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

143641104 is a wasteful number, since it uses less digits than its factorization.

143641104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 143641104 is about 11985.0366707824. The cubic root of 143641104 is about 523.7124658349.

Adding to 143641104 its reverse (401146341), we get a palindrome (544787445).

The spelling of 143641104 in words is "one hundred forty-three million, six hundred forty-one thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 31 37 48 62 74 93 111 124 148 186 222 248 296 372 444 496 592 744 888 1147 1488 1776 2294 2609 3441 4588 5218 6882 7827 9176 10436 13764 15654 18352 20872 27528 31308 41744 55056 62616 80879 96533 125232 161758 193066 242637 289599 323516 386132 485274 579198 647032 772264 970548 1158396 1294064 1544528 1941096 2316792 2992523 3882192 4633584 5985046 8977569 11970092 17955138 23940184 35910276 47880368 71820552 143641104