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11095820 = 225554791
BaseRepresentation
bin101010010100…
…111100001100
3202212201121022
4222110330030
510320031240
61033453312
7163212221
oct52247414
922781538
1011095820
1162994aa
123871238
1323b6598
14168b948
15e929b5
hexa94f0c

11095820 has 12 divisors (see below), whose sum is σ = 23301264. Its totient is φ = 4438320.

The previous prime is 11095817. The next prime is 11095823. The reversal of 11095820 is 2859011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11095817) and next prime (11095823).

It is a self number, because there is not a number n which added to its sum of digits gives 11095820.

It is not an unprimeable number, because it can be changed into a prime (11095823) 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, 277376 + ... + 277415.

It is an arithmetic number, because the mean of its divisors is an integer number (1941772).

Almost surely, 211095820 is an apocalyptic number.

11095820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11095820 is an abundant number, since it is smaller than the sum of its proper divisors (12205444).

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

11095820 is a wasteful number, since it uses less digits than its factorization.

11095820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554800 (or 554798 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 11095820 is about 3331.0388769872. The cubic root of 11095820 is about 223.0419059643.

The spelling of 11095820 in words is "eleven million, ninety-five thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 554791 1109582 2219164 2773955 5547910 11095820