Search a number
-
+
212189088 = 2532210303
BaseRepresentation
bin11001010010110…
…11111110100000
3112210021022201010
430221123332200
5413310022323
633015540520
75154402036
oct1451337640
9483238633
10212189088
11a9858891
125b08a740
1334c64397
1420276556
1513965c93
hexca5bfa0

212189088 has 24 divisors (see below), whose sum is σ = 556996608. Its totient is φ = 70729664.

The previous prime is 212189059. The next prime is 212189113. The reversal of 212189088 is 880981212.

212189088 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105056 + ... + 1105247.

It is an arithmetic number, because the mean of its divisors is an integer number (23208192).

Almost surely, 2212189088 is an apocalyptic number.

It is an amenable number.

212189088 is an abundant number, since it is smaller than the sum of its proper divisors (344807520).

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

212189088 is a wasteful number, since it uses less digits than its factorization.

212189088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210316 (or 2210308 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 212189088 is about 14566.7116399001. The cubic root of 212189088 is about 596.4504199909.

The spelling of 212189088 in words is "two hundred twelve million, one hundred eighty-nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2210303 4420606 6630909 8841212 13261818 17682424 26523636 35364848 53047272 70729696 106094544 212189088