Search a number
-
+
213322323 = 3643110587
BaseRepresentation
bin11001011011100…
…00101001010011
3112212101220012210
430231300221103
5414102303243
633100123203
75200131654
oct1455605123
9485356183
10213322323
11aa462245
125b536503
1335270136
142048d52b
1513adb933
hexcb70a53

213322323 has 8 divisors (see below), whose sum is σ = 284874688. Its totient is φ = 141992424.

The previous prime is 213322313. The next prime is 213322339. The reversal of 213322323 is 323223312.

213322323 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 de Polignac number, because none of the positive numbers 2k-213322323 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 213322323.

It is not an unprimeable number, because it can be changed into a prime (213322313) 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, 53365 + ... + 57222.

It is an arithmetic number, because the mean of its divisors is an integer number (35609336).

Almost surely, 2213322323 is an apocalyptic number.

213322323 is a deficient number, since it is larger than the sum of its proper divisors (71552365).

213322323 is a wasteful number, since it uses less digits than its factorization.

213322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111233.

The product of its digits is 1296, while the sum is 21.

The square root of 213322323 is about 14605.5579489453. The cubic root of 213322323 is about 597.5103531641.

Adding to 213322323 its reverse (323223312), we get a palindrome (536545635).

The spelling of 213322323 in words is "two hundred thirteen million, three hundred twenty-two thousand, three hundred twenty-three".

Divisors: 1 3 643 1929 110587 331761 71107441 213322323