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220620200 = 23521103101
BaseRepresentation
bin11010010011001…
…10010110101000
3120101010200000112
431021212112220
5422434321300
633520353452
75316145403
oct1511462650
9511120015
10220620200
11103597249
1261a75888
1336926ac8
142142cd3a
151457de35
hexd2665a8

220620200 has 24 divisors (see below), whose sum is σ = 512942430. Its totient is φ = 88248000.

The previous prime is 220620181. The next prime is 220620223. The reversal of 220620200 is 2026022.

It can be written as a sum of positive squares in 3 ways, for example, as 153412996 + 67207204 = 12386^2 + 8198^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

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, 551351 + ... + 551750.

Almost surely, 2220620200 is an apocalyptic number.

220620200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220620200 is an abundant number, since it is smaller than the sum of its proper divisors (292322230).

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

220620200 is a wasteful number, since it uses less digits than its factorization.

220620200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103117 (or 1103108 counting only the distinct ones).

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

The square root of 220620200 is about 14853.2891980194. The cubic root of 220620200 is about 604.2478187199.

Adding to 220620200 its reverse (2026022), we get a palindrome (222646222).

The spelling of 220620200 in words is "two hundred twenty million, six hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1103101 2206202 4412404 5515505 8824808 11031010 22062020 27577525 44124040 55155050 110310100 220620200