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1108220 = 22555411
BaseRepresentation
bin100001110100011111100
32002022012012
410032203330
5240430340
635430352
712263651
oct4164374
92068165
101108220
11697693
124553b8
132ca569
1420bc28
1516d565
hex10e8fc

1108220 has 12 divisors (see below), whose sum is σ = 2327304. Its totient is φ = 443280.

The previous prime is 1108207. The next prime is 1108223. The reversal of 1108220 is 228011.

It is a junction number, because it is equal to n+sod(n) for n = 1108195 and 1108204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27686 + ... + 27725.

It is an arithmetic number, because the mean of its divisors is an integer number (193942).

21108220 is an apocalyptic number.

1108220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108220 is an abundant number, since it is smaller than the sum of its proper divisors (1219084).

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

1108220 is a wasteful number, since it uses less digits than its factorization.

1108220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55420 (or 55418 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1108220 is about 1052.7202857360. The cubic root of 1108220 is about 103.4845052924.

The spelling of 1108220 in words is "one million, one hundred eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 55411 110822 221644 277055 554110 1108220