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40650043 = 717341597
BaseRepresentation
bin1001101100010…
…0010100111011
32211111020101011
42123010110323
540401300133
64011134351
71002343150
oct233042473
984436334
1040650043
1120a44a85
12117443b7
1385636a5
145582227
15387e6cd
hex26c453b

40650043 has 8 divisors (see below), whose sum is σ = 49190112. Its totient is φ = 32793216.

The previous prime is 40650041. The next prime is 40650053. The reversal of 40650043 is 34005604.

40650043 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 not a de Polignac number, because 40650043 - 21 = 40650041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40649996 and 40650023.

It is not an unprimeable number, because it can be changed into a prime (40650041) 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, 170680 + ... + 170917.

It is an arithmetic number, because the mean of its divisors is an integer number (6148764).

Almost surely, 240650043 is an apocalyptic number.

40650043 is a deficient number, since it is larger than the sum of its proper divisors (8540069).

40650043 is a wasteful number, since it uses less digits than its factorization.

40650043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341621.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40650043 is about 6375.7386238772. The cubic root of 40650043 is about 343.8378398991.

Adding to 40650043 its reverse (34005604), we get a palindrome (74655647).

The spelling of 40650043 in words is "forty million, six hundred fifty thousand, forty-three".

Divisors: 1 7 17 119 341597 2391179 5807149 40650043