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11287793 = 117197149
BaseRepresentation
bin101011000011…
…110011110001
3210020110221102
4223003303301
510342202133
61041534145
7164642006
oct53036361
923213842
1011287793
11640a760
123944355
132452a8a
1416db8ad
15ece7e8
hexac3cf1

11287793 has 16 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 9945600.

The previous prime is 11287769. The next prime is 11287799. The reversal of 11287793 is 39778211.

11287793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11287793 - 216 = 11222257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11287799) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75683 + ... + 75831.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 211287793 is an apocalyptic number.

It is an amenable number.

11287793 is a deficient number, since it is larger than the sum of its proper divisors (1413007).

11287793 is a wasteful number, since it uses less digits than its factorization.

11287793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its digits is 21168, while the sum is 38.

The square root of 11287793 is about 3359.7310904297. The cubic root of 11287793 is about 224.3208690734.

The spelling of 11287793 in words is "eleven million, two hundred eighty-seven thousand, seven hundred ninety-three".

Divisors: 1 11 71 97 149 781 1067 1639 6887 10579 14453 75757 116369 158983 1026163 11287793