Search a number
-
+
202223143 = 1753224443
BaseRepresentation
bin11000000110110…
…10111000100111
3112002112000000001
430003122320213
5403232120033
632022202131
75003603563
oct1403327047
9462460001
10202223143
11a4171271
1257883347
1332b85185
141cc006a3
1512b47e7d
hexc0dae27

202223143 has 8 divisors (see below), whose sum is σ = 218159568. Its totient is φ = 186735744.

The previous prime is 202223141. The next prime is 202223159. The reversal of 202223143 is 341322202.

202223143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202223143 - 21 = 202223141 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 202223143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202223141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111321 + ... + 113122.

It is an arithmetic number, because the mean of its divisors is an integer number (27269946).

Almost surely, 2202223143 is an apocalyptic number.

202223143 is a deficient number, since it is larger than the sum of its proper divisors (15936425).

202223143 is a wasteful number, since it uses less digits than its factorization.

202223143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224513.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 202223143 is about 14220.5183801435. The cubic root of 202223143 is about 586.9624047347.

Adding to 202223143 its reverse (341322202), we get a palindrome (543545345).

The spelling of 202223143 in words is "two hundred two million, two hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 17 53 901 224443 3815531 11895479 202223143