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143230536 = 23322968597
BaseRepresentation
bin10001000100110…
…00011001001000
3100222111212100200
420202120121020
5243131334121
622113532200
73356303511
oct1042303110
9328455320
10143230536
1173939249
123bb74060
132389b8c7
1415045a08
15c893a26
hex8898648

143230536 has 48 divisors (see below), whose sum is σ = 401298300. Its totient is φ = 46096512.

The previous prime is 143230517. The next prime is 143230537. The reversal of 143230536 is 635032341.

It is a happy number.

143230536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 137030436 + 6200100 = 11706^2 + 2490^2 .

It is not an unprimeable number, because it can be changed into a prime (143230537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32211 + ... + 36386.

Almost surely, 2143230536 is an apocalyptic number.

It is an amenable number.

143230536 is an abundant number, since it is smaller than the sum of its proper divisors (258067764).

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

143230536 is a wasteful number, since it uses less digits than its factorization.

143230536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68638 (or 68631 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 143230536 is about 11967.8960556983. The cubic root of 143230536 is about 523.2130155559.

Adding to 143230536 its reverse (635032341), we get a palindrome (778262877).

It can be divided in two parts, 1432305 and 36, that added together give a palindrome (1432341).

The spelling of 143230536 in words is "one hundred forty-three million, two hundred thirty thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 68597 137194 205791 274388 411582 548776 617373 823164 1234746 1646328 1989313 2469492 3978626 4938984 5967939 7957252 11935878 15914504 17903817 23871756 35807634 47743512 71615268 143230536