Search a number
-
+
213220041 = 3591204633
BaseRepresentation
bin11001011010101…
…11101011001001
3112212012200220120
430231113223021
5414041020131
633054013453
75166224526
oct1455275311
9485180816
10213220041
11aa3a2411
125b4a7289
1335235708
142046414d
1513abb496
hexcb57ac9

213220041 has 8 divisors (see below), whose sum is σ = 289112160. Its totient is φ = 139737312.

The previous prime is 213220019. The next prime is 213220057. The reversal of 213220041 is 140022312.

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

It is not a de Polignac number, because 213220041 - 25 = 213220009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213220041.

It is not an unprimeable number, because it can be changed into a prime (213220061) 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, 602140 + ... + 602493.

It is an arithmetic number, because the mean of its divisors is an integer number (36139020).

Almost surely, 2213220041 is an apocalyptic number.

It is an amenable number.

213220041 is a deficient number, since it is larger than the sum of its proper divisors (75892119).

213220041 is a wasteful number, since it uses less digits than its factorization.

213220041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204695.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 213220041 is about 14602.0560538576. The cubic root of 213220041 is about 597.4148414782.

Adding to 213220041 its reverse (140022312), we get a palindrome (353242353).

The spelling of 213220041 in words is "two hundred thirteen million, two hundred twenty thousand, forty-one".

Divisors: 1 3 59 177 1204633 3613899 71073347 213220041