Search a number
-
+
40541131 = 435317789
BaseRepresentation
bin1001101010100…
…1101111001011
32211021200222101
42122221233023
540334304011
64004534231
71001410501
oct232515713
984250871
1040541131
1120980174
12116b1377
138525c47
145554671
15385c2c1
hex26a9bcb

40541131 has 8 divisors (see below), whose sum is σ = 42269040. Its totient is φ = 38848992.

The previous prime is 40541129. The next prime is 40541143. The reversal of 40541131 is 13114504.

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 40541131 - 21 = 40541129 is a prime.

It is a super-2 number, since 2×405411312 = 3287166605518322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40541099 and 40541108.

It is not an unprimeable number, because it can be changed into a prime (40541161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6616 + ... + 11173.

It is an arithmetic number, because the mean of its divisors is an integer number (5283630).

Almost surely, 240541131 is an apocalyptic number.

40541131 is a deficient number, since it is larger than the sum of its proper divisors (1727909).

40541131 is a wasteful number, since it uses less digits than its factorization.

40541131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17885.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40541131 is about 6367.1917671765. The cubic root of 40541131 is about 343.5304883501.

Adding to 40541131 its reverse (13114504), we get a palindrome (53655635).

The spelling of 40541131 in words is "forty million, five hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 43 53 2279 17789 764927 942817 40541131