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213222200 = 23521066111
BaseRepresentation
bin11001011010110…
…00001100111000
3112212012210212112
430231120030320
5414041102300
633054031452
75166234032
oct1455301470
9485183775
10213222200
11aa3a3aa4
125b4a8588
13352366a9
1420464c52
1513abbe35
hexcb58338

213222200 has 24 divisors (see below), whose sum is σ = 495742080. Its totient is φ = 85288800.

The previous prime is 213222197. The next prime is 213222223. The reversal of 213222200 is 2222312.

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, 532856 + ... + 533255.

It is an arithmetic number, because the mean of its divisors is an integer number (20655920).

Almost surely, 2213222200 is an apocalyptic number.

213222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213222200 is an abundant number, since it is smaller than the sum of its proper divisors (282519880).

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

213222200 is a wasteful number, since it uses less digits than its factorization.

213222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066127 (or 1066118 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 213222200 is about 14602.1299816157. The cubic root of 213222200 is about 597.4168578839.

Adding to 213222200 its reverse (2222312), we get a palindrome (215444512).

The spelling of 213222200 in words is "two hundred thirteen million, two hundred twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1066111 2132222 4264444 5330555 8528888 10661110 21322220 26652775 42644440 53305550 106611100 213222200