Search a number
-
+
202230331 = 474302773
BaseRepresentation
bin11000000110111…
…00101000111011
3112002112100212021
430003130220323
5403232332311
632022255311
75003633542
oct1403345073
9462470767
10202230331
11a4176706
1257887537
1332b88524
141cc03159
1512b4a171
hexc0dca3b

202230331 has 4 divisors (see below), whose sum is σ = 206533152. Its totient is φ = 197927512.

The previous prime is 202230323. The next prime is 202230341. The reversal of 202230331 is 133032202.

202230331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202230331 - 23 = 202230323 is a prime.

It is a super-2 number, since 2×2022303312 = 81794213552739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202230341) 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, 2151340 + ... + 2151433.

It is an arithmetic number, because the mean of its divisors is an integer number (51633288).

Almost surely, 2202230331 is an apocalyptic number.

202230331 is a deficient number, since it is larger than the sum of its proper divisors (4302821).

202230331 is an equidigital number, since it uses as much as digits as its factorization.

202230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302820.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 202230331 is about 14220.7711113005. The cubic root of 202230331 is about 586.9693591576.

Adding to 202230331 its reverse (133032202), we get a palindrome (335262533).

The spelling of 202230331 in words is "two hundred two million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 47 4302773 202230331