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40766 = 21117109
BaseRepresentation
bin1001111100111110
32001220212
421330332
52301031
6512422
7226565
oct117476
961825
1040766
11286a0
121b712
131572b
1410bdc
15c12b
hex9f3e

40766 has 16 divisors (see below), whose sum is σ = 71280. Its totient is φ = 17280.

The previous prime is 40763. The next prime is 40771. The reversal of 40766 is 66704.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40763) 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 7 ways as a sum of consecutive naturals, for example, 320 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (4455).

240766 is an apocalyptic number.

40766 is a deficient number, since it is larger than the sum of its proper divisors (30514).

40766 is a wasteful number, since it uses less digits than its factorization.

40766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40766 is about 201.9059186849. The cubic root of 40766 is about 34.4164469757.

It can be divided in two parts, 407 and 66, that multiplied together give a palindrome (26862).

The spelling of 40766 in words is "forty thousand, seven hundred sixty-six".

Divisors: 1 2 11 17 22 34 109 187 218 374 1199 1853 2398 3706 20383 40766