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40887041 = 133145157
BaseRepresentation
bin1001101111111…
…0001100000001
32211221021110212
42123332030001
540431341131
64020203505
71004351126
oct233761401
984837425
1040887041
1121097048
1211839595
138617520
14560474d
1538c9a2b
hex26fe301

40887041 has 4 divisors (see below), whose sum is σ = 44032212. Its totient is φ = 37741872.

The previous prime is 40887029. The next prime is 40887079. The reversal of 40887041 is 14078804.

40887041 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 23280625 + 17606416 = 4825^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 40887041 - 218 = 40624897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40886989 and 40887007.

It is not an unprimeable number, because it can be changed into a prime (40887241) 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, 1572566 + ... + 1572591.

It is an arithmetic number, because the mean of its divisors is an integer number (11008053).

Almost surely, 240887041 is an apocalyptic number.

It is an amenable number.

40887041 is a deficient number, since it is larger than the sum of its proper divisors (3145171).

40887041 is a wasteful number, since it uses less digits than its factorization.

40887041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145170.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 40887041 is about 6394.2975376502. The cubic root of 40887041 is about 344.5047602742.

The spelling of 40887041 in words is "forty million, eight hundred eighty-seven thousand, forty-one".

Divisors: 1 13 3145157 40887041