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40004133 = 3131025747
BaseRepresentation
bin1001100010011…
…0101000100101
32210021102100120
42120212220211
540220113013
63545232153
7664013061
oct230465045
983242316
1040004133
1120643774
1211492659
1383986b0
145454aa1
1537a3123
hex2626a25

40004133 has 8 divisors (see below), whose sum is σ = 57441888. Its totient is φ = 24617904.

The previous prime is 40004131. The next prime is 40004143. The reversal of 40004133 is 33140004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40004133 - 21 = 40004131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004131) 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, 512835 + ... + 512912.

It is an arithmetic number, because the mean of its divisors is an integer number (7180236).

Almost surely, 240004133 is an apocalyptic number.

It is an amenable number.

40004133 is a deficient number, since it is larger than the sum of its proper divisors (17437755).

40004133 is a wasteful number, since it uses less digits than its factorization.

40004133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025763.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40004133 is about 6324.8820542363. The cubic root of 40004133 is about 342.0069678140.

Adding to 40004133 its reverse (33140004), we get a palindrome (73144137).

The spelling of 40004133 in words is "forty million, four thousand, one hundred thirty-three".

Divisors: 1 3 13 39 1025747 3077241 13334711 40004133