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11783828 = 227420851
BaseRepresentation
bin101100111100…
…111010010100
3211011200101002
4230330322110
511004040303
61100322432
7202106120
oct54747224
924150332
1011783828
116719401
123b43418
1325977a4
1417ca580
15107b788
hexb3ce94

11783828 has 12 divisors (see below), whose sum is σ = 23567712. Its totient is φ = 5050200.

The previous prime is 11783809. The next prime is 11783833. The reversal of 11783828 is 82838711.

11783828 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11783791 and 11783800.

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 3 ways as a sum of consecutive naturals, for example, 210398 + ... + 210453.

It is an arithmetic number, because the mean of its divisors is an integer number (1963976).

Almost surely, 211783828 is an apocalyptic number.

It is an amenable number.

11783828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11783828 is a wasteful number, since it uses less digits than its factorization.

11783828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420862 (or 420860 counting only the distinct ones).

The product of its digits is 21504, while the sum is 38.

The square root of 11783828 is about 3432.7580747848. The cubic root of 11783828 is about 227.5597588858.

The spelling of 11783828 in words is "eleven million, seven hundred eighty-three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 420851 841702 1683404 2945957 5891914 11783828