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11785028 = 222946257
BaseRepresentation
bin101100111101…
…001101000100
3211011202000112
4230331031010
511004110103
61100332152
7202112453
oct54751504
924152015
1011785028
11671a2a2
123b44058
1325981b8
1417cab9a
15107bcd8
hexb3d344

11785028 has 6 divisors (see below), whose sum is σ = 20623806. Its totient is φ = 5892512.

The previous prime is 11785021. The next prime is 11785031. The reversal of 11785028 is 82058711.

It is a happy number.

11785028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 4804864 = 2642^2 + 2192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11784985 and 11785003.

It is not an unprimeable number, because it can be changed into a prime (11785021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473125 + ... + 1473132.

It is an arithmetic number, because the mean of its divisors is an integer number (3437301).

Almost surely, 211785028 is an apocalyptic number.

It is an amenable number.

11785028 is a deficient number, since it is larger than the sum of its proper divisors (8838778).

11785028 is a wasteful number, since it uses less digits than its factorization.

11785028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946261 (or 2946259 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 11785028 is about 3432.9328569024. The cubic root of 11785028 is about 227.5674831002.

The spelling of 11785028 in words is "eleven million, seven hundred eighty-five thousand, twenty-eight".

Divisors: 1 2 4 2946257 5892514 11785028