Search a number
-
+
213423313 = 3110366841
BaseRepresentation
bin11001011100010…
…01010011010001
3112212121000202011
430232021103101
5414114021223
633102222521
75201032255
oct1456112321
9485530664
10213423313
11aa521104
125b584a41
13352a70ac
14204b8265
1513b0b80d
hexcb894d1

213423313 has 8 divisors (see below), whose sum is σ = 222450176. Its totient is φ = 204530400.

The previous prime is 213423307. The next prime is 213423347. The reversal of 213423313 is 313324312.

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 213423313 - 225 = 179868881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213423013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30228 + ... + 36613.

It is an arithmetic number, because the mean of its divisors is an integer number (27806272).

Almost surely, 2213423313 is an apocalyptic number.

It is an amenable number.

213423313 is a deficient number, since it is larger than the sum of its proper divisors (9026863).

213423313 is a wasteful number, since it uses less digits than its factorization.

213423313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66975.

The product of its digits is 1296, while the sum is 22.

The square root of 213423313 is about 14609.0147853988. The cubic root of 213423313 is about 597.6046284215.

Adding to 213423313 its reverse (313324312), we get a palindrome (526747625).

Subtracting 213423313 from its reverse (313324312), we obtain a palindrome (99900999).

The spelling of 213423313 in words is "two hundred thirteen million, four hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 31 103 3193 66841 2072071 6884623 213423313