Search a number
-
+
205022343 = 368340781
BaseRepresentation
bin11000011100001…
…10010010000111
3112021210012210010
430032012102013
5404441203333
632202201303
75036442531
oct1416062207
9467705703
10205022343
11a5803359
12587b3233
13336252c6
141d32c851
1512eec563
hexc386487

205022343 has 4 divisors (see below), whose sum is σ = 273363128. Its totient is φ = 136681560.

The previous prime is 205022339. The next prime is 205022347. The reversal of 205022343 is 343220502.

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

It is an interprime number because it is at equal distance from previous prime (205022339) and next prime (205022347).

It is not a de Polignac number, because 205022343 - 22 = 205022339 is a prime.

It is a super-2 number, since 2×2050223432 = 84068322258419298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205022347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34170388 + ... + 34170393.

It is an arithmetic number, because the mean of its divisors is an integer number (68340782).

Almost surely, 2205022343 is an apocalyptic number.

205022343 is a deficient number, since it is larger than the sum of its proper divisors (68340785).

205022343 is an equidigital number, since it uses as much as digits as its factorization.

205022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68340784.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 205022343 is about 14318.6012934225. The cubic root of 205022343 is about 589.6582747737.

Adding to 205022343 its reverse (343220502), we get a palindrome (548242845).

The spelling of 205022343 in words is "two hundred five million, twenty-two thousand, three hundred forty-three".

Divisors: 1 3 68340781 205022343