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11305827 = 3213711361
BaseRepresentation
bin101011001000…
…001101100011
3210021101200100
4223020031203
510343241302
61042153443
7165045411
oct53101543
923241610
1011305827
116422265
123952883
13245b050
1417042b1
15ed4d1c
hexac8363

11305827 has 24 divisors (see below), whose sum is σ = 17847648. Its totient is φ = 6854400.

The previous prime is 11305813. The next prime is 11305829. The reversal of 11305827 is 72850311.

It is not a de Polignac number, because 11305827 - 211 = 11303779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11305827.

It is not an unprimeable number, because it can be changed into a prime (11305829) 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 23 ways as a sum of consecutive naturals, for example, 7627 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (743652).

Almost surely, 211305827 is an apocalyptic number.

11305827 is a deficient number, since it is larger than the sum of its proper divisors (6541821).

11305827 is a wasteful number, since it uses less digits than its factorization.

11305827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 11305827 is about 3362.4138650678. The cubic root of 11305827 is about 224.4402679697.

The spelling of 11305827 in words is "eleven million, three hundred five thousand, eight hundred twenty-seven".

Divisors: 1 3 9 13 39 71 117 213 639 923 1361 2769 4083 8307 12249 17693 53079 96631 159237 289893 869679 1256203 3768609 11305827