Search a number
-
+
143200213 = 1311015401
BaseRepresentation
bin10001000100100…
…00111111010101
3100222110022202121
420202100333111
5243124401323
622113135541
73356116222
oct1042207725
9328408677
10143200213
1173918492
123bb5a5b1
132388ab70
1415038949
15c889a5d
hex8890fd5

143200213 has 4 divisors (see below), whose sum is σ = 154215628. Its totient is φ = 132184800.

The previous prime is 143200177. The next prime is 143200217. The reversal of 143200213 is 312002341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312002341 = 744571763.

It can be written as a sum of positive squares in 2 ways, for example, as 46335249 + 96864964 = 6807^2 + 9842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143200213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143200217) 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, 5507688 + ... + 5507713.

It is an arithmetic number, because the mean of its divisors is an integer number (38553907).

Almost surely, 2143200213 is an apocalyptic number.

143200213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143200213 is a deficient number, since it is larger than the sum of its proper divisors (11015415).

143200213 is a wasteful number, since it uses less digits than its factorization.

143200213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11015414.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 143200213 is about 11966.6291410739. The cubic root of 143200213 is about 523.1760902176.

Adding to 143200213 its reverse (312002341), we get a palindrome (455202554).

The spelling of 143200213 in words is "one hundred forty-three million, two hundred thousand, two hundred thirteen".

Divisors: 1 13 11015401 143200213