Search a number
-
+
40240041 = 323583189
BaseRepresentation
bin1001100110000…
…0001110101001
32210201101221220
42121200032221
540300140131
63554252253
7666014622
oct231401651
983641856
1040240041
1120794a36
1211587089
13844bb9a
1454b6a49
1537ece96
hex26603a9

40240041 has 8 divisors (see below), whose sum is σ = 55986240. Its totient is φ = 25660272.

The previous prime is 40240033. The next prime is 40240093. The reversal of 40240041 is 14004204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40240041 - 23 = 40240033 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40240041.

It is not an unprimeable number, because it can be changed into a prime (40240441) 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 7 ways as a sum of consecutive naturals, for example, 291526 + ... + 291663.

It is an arithmetic number, because the mean of its divisors is an integer number (6998280).

Almost surely, 240240041 is an apocalyptic number.

It is an amenable number.

40240041 is a deficient number, since it is larger than the sum of its proper divisors (15746199).

40240041 is a wasteful number, since it uses less digits than its factorization.

40240041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583215.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40240041 is about 6343.5038425148. The cubic root of 40240041 is about 342.6779326583.

Adding to 40240041 its reverse (14004204), we get a palindrome (54244245).

The spelling of 40240041 in words is "forty million, two hundred forty thousand, forty-one".

Divisors: 1 3 23 69 583189 1749567 13413347 40240041