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143301223 = 1311023171
BaseRepresentation
bin10001000101010…
…01101001100111
3100222122110022201
420202221221213
5243141114343
622115235331
73360016552
oct1042515147
9328573281
10143301223
117398736a
123bba8b47
13238c4b30
1415063699
15c8a994d
hex88a9a67

143301223 has 4 divisors (see below), whose sum is σ = 154324408. Its totient is φ = 132278040.

The previous prime is 143301199. The next prime is 143301227. The reversal of 143301223 is 322103341.

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

It is a cyclic number.

It is not a de Polignac number, because 143301223 - 221 = 141204071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143301223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143301227) 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, 5511573 + ... + 5511598.

It is an arithmetic number, because the mean of its divisors is an integer number (38581102).

Almost surely, 2143301223 is an apocalyptic number.

143301223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143301223 is a deficient number, since it is larger than the sum of its proper divisors (11023185).

143301223 is a wasteful number, since it uses less digits than its factorization.

143301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11023184.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 143301223 is about 11970.8488838511. The cubic root of 143301223 is about 523.2990732662.

Adding to 143301223 its reverse (322103341), we get a palindrome (465404564).

The spelling of 143301223 in words is "one hundred forty-three million, three hundred one thousand, two hundred twenty-three".

Divisors: 1 13 11023171 143301223