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40431041 = 75775863
BaseRepresentation
bin1001101000111…
…0110111000001
32211002002221222
42122032313001
540322243131
64002324425
71000441520
oct232166701
984062858
1040431041
1120905492
1211659715
1384b7ac1
1455264b7
15383987b
hex268edc1

40431041 has 4 divisors (see below), whose sum is σ = 46206912. Its totient is φ = 34655172.

The previous prime is 40431023. The next prime is 40431059. The reversal of 40431041 is 14013404.

40431041 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40431023) and next prime (40431059).

It is a cyclic number.

It is not a de Polignac number, because 40431041 - 210 = 40430017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40431011) 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, 2887925 + ... + 2887938.

It is an arithmetic number, because the mean of its divisors is an integer number (11551728).

Almost surely, 240431041 is an apocalyptic number.

It is an amenable number.

40431041 is a deficient number, since it is larger than the sum of its proper divisors (5775871).

40431041 is an equidigital number, since it uses as much as digits as its factorization.

40431041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775870.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40431041 is about 6358.5407917226. The cubic root of 40431041 is about 343.2192525328.

Adding to 40431041 its reverse (14013404), we get a palindrome (54444445).

The spelling of 40431041 in words is "forty million, four hundred thirty-one thousand, forty-one".

Divisors: 1 7 5775863 40431041