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212004132 = 223108716253
BaseRepresentation
bin11001010001011…
…10110100100100
3112202220220222220
430220232310210
5413233113012
633011552340
75153001564
oct1450566444
9482826886
10212004132
11a974192a
125abbb6b0
1334bcb142
1420228da4
151392b08c
hexca2ed24

212004132 has 24 divisors (see below), whose sum is σ = 495161856. Its totient is φ = 70598688.

The previous prime is 212004101. The next prime is 212004139. The reversal of 212004132 is 231400212.

It is not an unprimeable number, because it can be changed into a prime (212004139) 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, 4918 + ... + 21170.

It is an arithmetic number, because the mean of its divisors is an integer number (20631744).

Almost surely, 2212004132 is an apocalyptic number.

It is an amenable number.

212004132 is an abundant number, since it is smaller than the sum of its proper divisors (283157724).

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

212004132 is a wasteful number, since it uses less digits than its factorization.

212004132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17347 (or 17345 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212004132 is about 14560.3616713322. The cubic root of 212004132 is about 596.2770696499.

Adding to 212004132 its reverse (231400212), we get a palindrome (443404344).

The spelling of 212004132 in words is "two hundred twelve million, four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1087 2174 3261 4348 6522 13044 16253 32506 48759 65012 97518 195036 17667011 35334022 53001033 70668044 106002066 212004132