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212102300 = 22522121023
BaseRepresentation
bin11001010010001…
…10110010011100
3112210002220122202
430221012302130
5413244233200
633014031032
75153561024
oct1451066234
9483086582
10212102300
11a97a9663
125b048478
1334c33a27
1420252a84
151394a1d5
hexca46c9c

212102300 has 18 divisors (see below), whose sum is σ = 460262208. Its totient is φ = 84840880.

The previous prime is 212102299. The next prime is 212102321. The reversal of 212102300 is 3201212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1060412 + ... + 1060611.

Almost surely, 2212102300 is an apocalyptic number.

212102300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102300 is an abundant number, since it is smaller than the sum of its proper divisors (248159908).

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

212102300 is a wasteful number, since it uses less digits than its factorization.

212102300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121037 (or 2121030 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212102300 is about 14563.7323512896. The cubic root of 212102300 is about 596.3690903325.

Adding to 212102300 its reverse (3201212), we get a palindrome (215303512).

The spelling of 212102300 in words is "two hundred twelve million, one hundred two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2121023 4242046 8484092 10605115 21210230 42420460 53025575 106051150 212102300