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40133041 = 1315491993
BaseRepresentation
bin1001100100011…
…0000110110001
32210111222011221
42121012012301
540233224131
63552105041
7665060644
oct231060661
983458157
1040133041
1120721603
1211535181
138412280
145489a5b
1537cb411
hex26461b1

40133041 has 8 divisors (see below), whose sum is σ = 43269800. Its totient is φ = 37003392.

The previous prime is 40133033. The next prime is 40133063. The reversal of 40133041 is 14033104.

It can be written as a sum of positive squares in 4 ways, for example, as 2187441 + 37945600 = 1479^2 + 6160^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40133041 - 23 = 40133033 is a prime.

It is a super-2 number, since 2×401330412 = 3221321959815362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40133021) 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, 19141 + ... + 21133.

It is an arithmetic number, because the mean of its divisors is an integer number (5408725).

Almost surely, 240133041 is an apocalyptic number.

It is an amenable number.

40133041 is a deficient number, since it is larger than the sum of its proper divisors (3136759).

40133041 is a wasteful number, since it uses less digits than its factorization.

40133041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40133041 is about 6335.0644037768. The cubic root of 40133041 is about 342.3739312600.

Adding to 40133041 its reverse (14033104), we get a palindrome (54166145).

The spelling of 40133041 in words is "forty million, one hundred thirty-three thousand, forty-one".

Divisors: 1 13 1549 1993 20137 25909 3087157 40133041