Search a number
-
+
213032411 = 239891349
BaseRepresentation
bin11001011001010…
…01110111011011
3112211212011112022
430230221313123
5414014014121
633050005055
75164513514
oct1454516733
9484764468
10213032411
11aa284449
125b41678b
133519b1a7
1420415a0b
1513a80aab
hexcb29ddb

213032411 has 4 divisors (see below), whose sum is σ = 213924000. Its totient is φ = 212140824.

The previous prime is 213032401. The next prime is 213032419. The reversal of 213032411 is 114230312.

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 213032411 - 210 = 213031387 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 213032411.

It is not an unprimeable number, because it can be changed into a prime (213032419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445436 + ... + 445913.

It is an arithmetic number, because the mean of its divisors is an integer number (53481000).

Almost surely, 2213032411 is an apocalyptic number.

213032411 is a deficient number, since it is larger than the sum of its proper divisors (891589).

213032411 is an equidigital number, since it uses as much as digits as its factorization.

213032411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891588.

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

The square root of 213032411 is about 14595.6298596532. The cubic root of 213032411 is about 597.2395517600.

Adding to 213032411 its reverse (114230312), we get a palindrome (327262723).

The spelling of 213032411 in words is "two hundred thirteen million, thirty-two thousand, four hundred eleven".

Divisors: 1 239 891349 213032411