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40315041 = 32131720269
BaseRepresentation
bin1001100111001…
…0100010100001
32210212012211200
42121302202201
540310040131
64000031413
7666446364
oct231624241
983765750
1040315041
1120836318
1211602569
138477070
1454d60db
1538152e6
hex26728a1

40315041 has 24 divisors (see below), whose sum is σ = 66404520. Its totient is φ = 23348736.

The previous prime is 40315027. The next prime is 40315069. The reversal of 40315041 is 14051304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8910225 + 31404816 = 2985^2 + 5604^2 .

It is not a de Polignac number, because 40315041 - 26 = 40314977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40315001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8146 + ... + 12123.

It is an arithmetic number, because the mean of its divisors is an integer number (2766855).

Almost surely, 240315041 is an apocalyptic number.

It is an amenable number.

40315041 is a deficient number, since it is larger than the sum of its proper divisors (26089479).

40315041 is a wasteful number, since it uses less digits than its factorization.

40315041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20305 (or 20302 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40315041 is about 6349.4126500016. The cubic root of 40315041 is about 342.8906966417.

Adding to 40315041 its reverse (14051304), we get a palindrome (54366345).

The spelling of 40315041 in words is "forty million, three hundred fifteen thousand, forty-one".

Divisors: 1 3 9 13 17 39 51 117 153 221 663 1989 20269 60807 182421 263497 344573 790491 1033719 2371473 3101157 4479449 13438347 40315041