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40450141 = 79750753
BaseRepresentation
bin1001101001001…
…1100001011101
32211010002011101
42122103201131
540323401031
64002553101
71000551304
oct232234135
984102141
1040450141
1120918876
1211668791
1384c36c4
14552d43b
153840361
hex269385d

40450141 has 4 divisors (see below), whose sum is σ = 40501692. Its totient is φ = 40398592.

The previous prime is 40450121. The next prime is 40450153. The reversal of 40450141 is 14105404.

40450141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29658916 + 10791225 = 5446^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 40450141 - 215 = 40417373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450121) 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 3 ways as a sum of consecutive naturals, for example, 24580 + ... + 26173.

It is an arithmetic number, because the mean of its divisors is an integer number (10125423).

Almost surely, 240450141 is an apocalyptic number.

It is an amenable number.

40450141 is a deficient number, since it is larger than the sum of its proper divisors (51551).

40450141 is an equidigital number, since it uses as much as digits as its factorization.

40450141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51550.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40450141 is about 6360.0425313043. The cubic root of 40450141 is about 343.2732906806.

Adding to 40450141 its reverse (14105404), we get a palindrome (54555545).

The spelling of 40450141 in words is "forty million, four hundred fifty thousand, one hundred forty-one".

Divisors: 1 797 50753 40450141