Search a number
-
+
40804027 = 113709457
BaseRepresentation
bin1001101110100…
…1111010111011
32211210001121021
42123221322323
540421212102
64014323311
71003554115
oct233517273
984701537
1040804027
112103a740
12117b9537
1385b87c4
1455c23b5
1538b0137
hex26e9ebb

40804027 has 4 divisors (see below), whose sum is σ = 44513496. Its totient is φ = 37094560.

The previous prime is 40804021. The next prime is 40804031. The reversal of 40804027 is 72040804.

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

It is a cyclic number.

It is not a de Polignac number, because 40804027 - 211 = 40801979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40803992 and 40804010.

It is not an unprimeable number, because it can be changed into a prime (40804021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854718 + ... + 1854739.

It is an arithmetic number, because the mean of its divisors is an integer number (11128374).

Almost surely, 240804027 is an apocalyptic number.

40804027 is a deficient number, since it is larger than the sum of its proper divisors (3709469).

40804027 is a wasteful number, since it uses less digits than its factorization.

40804027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709468.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 40804027 is about 6387.8029869432. The cubic root of 40804027 is about 344.2714500432.

The spelling of 40804027 in words is "forty million, eight hundred four thousand, twenty-seven".

Divisors: 1 11 3709457 40804027