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40955 = 58191
BaseRepresentation
bin1001111111111011
32002011212
421333323
52302310
6513335
7230255
oct117773
962155
1040955
1128852
121b84b
1315845
1410cd5
15c205
hex9ffb

40955 has 4 divisors (see below), whose sum is σ = 49152. Its totient is φ = 32760.

The previous prime is 40949. The next prime is 40961. The reversal of 40955 is 55904.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40949) and next prime (40961).

It is not a de Polignac number, because 40955 - 24 = 40939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40955.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4091 + ... + 4100.

It is an arithmetic number, because the mean of its divisors is an integer number (12288).

240955 is an apocalyptic number.

40955 is a deficient number, since it is larger than the sum of its proper divisors (8197).

40955 is an equidigital number, since it uses as much as digits as its factorization.

40955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 40955 is about 202.3734172267. The cubic root of 40955 is about 34.4695523567.

It can be divided in two parts, 409 and 55, that added together give a palindrome (464).

The spelling of 40955 in words is "forty thousand, nine hundred fifty-five".

Divisors: 1 5 8191 40955