Search a number
-
+
212013006 = 23227155663
BaseRepresentation
bin11001010001100…
…00111111001110
3112202221101011120
430220300333032
5413233404011
633012101410
75153036502
oct1450607716
9482841146
10212013006
11a9748567
125b004866
1334c021aa
142022c302
151392da06
hexca30fce

212013006 has 16 divisors (see below), whose sum is σ = 425896704. Its totient is φ = 70359224.

The previous prime is 212012989. The next prime is 212013007. The reversal of 212013006 is 600310212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013007) 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, 76470 + ... + 79193.

It is an arithmetic number, because the mean of its divisors is an integer number (26618544).

Almost surely, 2212013006 is an apocalyptic number.

212013006 is an abundant number, since it is smaller than the sum of its proper divisors (213883698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212013006 is a wasteful number, since it uses less digits than its factorization.

212013006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155895.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 212013006 is about 14560.6663995849. Note that the first 3 decimals coincide. The cubic root of 212013006 is about 596.2853891244.

Adding to 212013006 its reverse (600310212), we get a palindrome (812323218).

The spelling of 212013006 in words is "two hundred twelve million, thirteen thousand, six".

Divisors: 1 2 3 6 227 454 681 1362 155663 311326 466989 933978 35335501 70671002 106006503 212013006