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143530052 = 22115331121
BaseRepresentation
bin10001000111000…
…01100001000100
3101000002002012212
420203201201010
5243220430202
622124202552
73361661651
oct1043414104
9330062185
10143530052
1174023286
1240099458
1323975033
14150c2c28
15c902652
hex88e1844

143530052 has 12 divisors (see below), whose sum is σ = 251403516. Its totient is φ = 71700480.

The previous prime is 143530039. The next prime is 143530069. The reversal of 143530052 is 250035341.

It can be written as a sum of positive squares in 2 ways, for example, as 95726656 + 47803396 = 9784^2 + 6914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10949 + ... + 20172.

It is an arithmetic number, because the mean of its divisors is an integer number (20950293).

Almost surely, 2143530052 is an apocalyptic number.

It is an amenable number.

143530052 is a deficient number, since it is larger than the sum of its proper divisors (107873464).

143530052 is a wasteful number, since it uses less digits than its factorization.

143530052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32278 (or 32276 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 143530052 is about 11980.4028312908. The cubic root of 143530052 is about 523.5774666143.

Adding to 143530052 its reverse (250035341), we get a palindrome (393565393).

The spelling of 143530052 in words is "one hundred forty-three million, five hundred thirty thousand, fifty-two".

Divisors: 1 2 4 1153 2306 4612 31121 62242 124484 35882513 71765026 143530052