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866112200 = 235220812
BaseRepresentation
bin110011100111111…
…101001011001000
32020100202001120122
4303213331023020
53233211042300
6221535442412
730314555312
oct6347751310
92210661518
10866112200
11404996a08
12202086408
1310a58cc35
14830587b2
1551085c85
hex339fd2c8

866112200 has 36 divisors (see below), whose sum is σ = 2014678995. Its totient is φ = 346278400.

The previous prime is 866112199. The next prime is 866112241. The reversal of 866112200 is 2211668.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 214739716 + 651372484 = 14654^2 + 25522^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=20810.

It is a self number, because there is not a number n which added to its sum of digits gives 866112200.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 415160 + ... + 417240.

Almost surely, 2866112200 is an apocalyptic number.

It is an amenable number.

866112200 is an abundant number, since it is smaller than the sum of its proper divisors (1148566795).

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

866112200 is an equidigital number, since it uses as much as digits as its factorization.

866112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 866112200 is about 29429.7842329841. The cubic root of 866112200 is about 953.2161357986.

Multiplying 866112200 by its product of nonzero digits (1152), we get a square (997761254400 = 9988802).

Adding to 866112200 its reverse (2211668), we get a palindrome (868323868).

The spelling of 866112200 in words is "eight hundred sixty-six million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 2081 4162 8324 10405 16648 20810 41620 52025 83240 104050 208100 416200 4330561 8661122 17322244 21652805 34644488 43305610 86611220 108264025 173222440 216528050 433056100 866112200