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41993849 = 89471841
BaseRepresentation
bin1010000000110…
…0011001111001
32221000111201202
42200030121321
541222300344
64100023545
71016641022
oct240143171
987014652
1041993849
1121782667
1212091bb5
138914241
145811c49
153a4794e
hex280c679

41993849 has 4 divisors (see below), whose sum is σ = 42465780. Its totient is φ = 41521920.

The previous prime is 41993839. The next prime is 41993863. The reversal of 41993849 is 94839914.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2706025 + 39287824 = 1645^2 + 6268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-41993849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41993839) 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 3 ways as a sum of consecutive naturals, for example, 235832 + ... + 236009.

It is an arithmetic number, because the mean of its divisors is an integer number (10616445).

Almost surely, 241993849 is an apocalyptic number.

It is an amenable number.

41993849 is a deficient number, since it is larger than the sum of its proper divisors (471931).

41993849 is an equidigital number, since it uses as much as digits as its factorization.

41993849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471930.

The product of its digits is 279936, while the sum is 47.

The square root of 41993849 is about 6480.2661210787. The cubic root of 41993849 is about 347.5856945809.

The spelling of 41993849 in words is "forty-one million, nine hundred ninety-three thousand, eight hundred forty-nine".

Divisors: 1 89 471841 41993849