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41442181 = 113767471
BaseRepresentation
bin1001111000010…
…1101110000101
32212222110222121
42132011232011
541102122211
64040125541
71012152454
oct236055605
985873877
1041442181
1121436140
1211a668b1
138780101
14570ab9b
153989271
hex2785b85

41442181 has 4 divisors (see below), whose sum is σ = 45209664. Its totient is φ = 37674700.

The previous prime is 41442169. The next prime is 41442199. The reversal of 41442181 is 18124414.

41442181 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41442181 - 27 = 41442053 is a prime.

It is a super-2 number, since 2×414421812 = 3434908732073522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41442151) 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, 1883725 + ... + 1883746.

It is an arithmetic number, because the mean of its divisors is an integer number (11302416).

Almost surely, 241442181 is an apocalyptic number.

It is an amenable number.

41442181 is a deficient number, since it is larger than the sum of its proper divisors (3767483).

41442181 is a wasteful number, since it uses less digits than its factorization.

41442181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767482.

The product of its digits is 1024, while the sum is 25.

The square root of 41442181 is about 6437.5601744760. The cubic root of 41442181 is about 346.0569170291.

Adding to 41442181 its reverse (18124414), we get a palindrome (59566595).

The spelling of 41442181 in words is "forty-one million, four hundred forty-two thousand, one hundred eighty-one".

Divisors: 1 11 3767471 41442181