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143040053 = 1311003081
BaseRepresentation
bin10001000011010…
…01111000110101
3100222011012001202
420201221320311
5243104240203
622105502245
73354551252
oct1041517065
9328135052
10143040053
1173819122
123baa1985
1323832cb0
1414dd6429
15c857388
hex8869e35

143040053 has 4 divisors (see below), whose sum is σ = 154043148. Its totient is φ = 132036960.

The previous prime is 143040047. The next prime is 143040071. The reversal of 143040053 is 350040341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95609284 + 47430769 = 9778^2 + 6887^2 .

It is a cyclic number.

It is not a de Polignac number, because 143040053 - 212 = 143035957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143040043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5501528 + ... + 5501553.

It is an arithmetic number, because the mean of its divisors is an integer number (38510787).

Almost surely, 2143040053 is an apocalyptic number.

143040053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143040053 is a deficient number, since it is larger than the sum of its proper divisors (11003095).

143040053 is a wasteful number, since it uses less digits than its factorization.

143040053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003094.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 143040053 is about 11959.9353259121. The cubic root of 143040053 is about 522.9809714654.

Adding to 143040053 its reverse (350040341), we get a palindrome (493080394).

The spelling of 143040053 in words is "one hundred forty-three million, forty thousand, fifty-three".

Divisors: 1 13 11003081 143040053