Search a number
-
+
213312041 = 1392396421
BaseRepresentation
bin11001011011011…
…10001000101001
3112212101101002222
430231232020221
5414101441131
633100003425
75200056665
oct1455561051
9485341088
10213312041
11aa455548
125b530575
1335268557
14204898a5
1513ad887b
hexcb6e229

213312041 has 8 divisors (see below), whose sum is σ = 215779200. Its totient is φ = 210858480.

The previous prime is 213312037. The next prime is 213312079. The reversal of 213312041 is 140213312.

213312041 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 213312041 - 22 = 213312037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213312641) 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, 30011 + ... + 36431.

It is an arithmetic number, because the mean of its divisors is an integer number (26972400).

Almost surely, 2213312041 is an apocalyptic number.

It is an amenable number.

213312041 is a deficient number, since it is larger than the sum of its proper divisors (2467159).

213312041 is a wasteful number, since it uses less digits than its factorization.

213312041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213312041 is about 14605.2059554119. The cubic root of 213312041 is about 597.5007531371.

Adding to 213312041 its reverse (140213312), we get a palindrome (353525353).

The spelling of 213312041 in words is "two hundred thirteen million, three hundred twelve thousand, forty-one".

Divisors: 1 139 239 6421 33221 892519 1534619 213312041