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11808028 = 222952007
BaseRepresentation
bin101101000010…
…110100011100
3211012220120101
4231002310130
511010324103
61101030444
7202236511
oct55026434
924186511
1011808028
116735601
123b55424
1325a57cb
1417d5308
151083a1d
hexb42d1c

11808028 has 6 divisors (see below), whose sum is σ = 20664056. Its totient is φ = 5904012.

The previous prime is 11808019. The next prime is 11808031. The reversal of 11808028 is 82080811.

It is a junction number, because it is equal to n+sod(n) for n = 11807987 and 11808005.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1476000 + ... + 1476007.

Almost surely, 211808028 is an apocalyptic number.

It is an amenable number.

11808028 is a deficient number, since it is larger than the sum of its proper divisors (8856028).

11808028 is a wasteful number, since it uses less digits than its factorization.

11808028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952011 (or 2952009 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 11808028 is about 3436.2811293606. The cubic root of 11808028 is about 227.7154293141.

Adding to 11808028 its reverse (82080811), we get a palindrome (93888839).

The spelling of 11808028 in words is "eleven million, eight hundred eight thousand, twenty-eight".

Divisors: 1 2 4 2952007 5904014 11808028