Search a number
-
+
40068313 = 732632087
BaseRepresentation
bin1001100011011…
…0010011011001
32210101200101121
42120312103121
540224141223
63550445241
7664401145
oct230662331
983350347
1040068313
1120687a0a
1211503821
1383bb97c
145470225
1537b715d
hex26364d9

40068313 has 8 divisors (see below), whose sum is σ = 40791168. Its totient is φ = 39350304.

The previous prime is 40068293. The next prime is 40068361. The reversal of 40068313 is 31386004.

40068313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40068313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40068383) 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 7 ways as a sum of consecutive naturals, for example, 18156 + ... + 20242.

It is an arithmetic number, because the mean of its divisors is an integer number (5098896).

Almost surely, 240068313 is an apocalyptic number.

It is an amenable number.

40068313 is a deficient number, since it is larger than the sum of its proper divisors (722855).

40068313 is a wasteful number, since it uses less digits than its factorization.

40068313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40068313 is about 6329.9536333215. The cubic root of 40068313 is about 342.1897679200.

The spelling of 40068313 in words is "forty million, sixty-eight thousand, three hundred thirteen".

Divisors: 1 73 263 2087 19199 152351 548881 40068313