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41871989 = 107491797
BaseRepresentation
bin1001111110111…
…0101001110101
32220210022120102
42133232221311
541204400424
64053243445
71015622525
oct237565165
986708512
1041871989
11216aa055
1212033585
1388a0933
1457bd685
153a217ae
hex27eea75

41871989 has 8 divisors (see below), whose sum is σ = 42402528. Its totient is φ = 41344240.

The previous prime is 41871959. The next prime is 41872007. The reversal of 41871989 is 98917814.

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 41871989 - 212 = 41867893 is a prime.

It is a super-2 number, since 2×418719892 = 3506526925632242, 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 (41871959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52139 + ... + 52935.

It is an arithmetic number, because the mean of its divisors is an integer number (5300316).

Almost surely, 241871989 is an apocalyptic number.

It is an amenable number.

41871989 is a deficient number, since it is larger than the sum of its proper divisors (530539).

41871989 is a wasteful number, since it uses less digits than its factorization.

41871989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its digits is 145152, while the sum is 47.

The square root of 41871989 is about 6470.8568984332. The cubic root of 41871989 is about 347.2491545796.

The spelling of 41871989 in words is "forty-one million, eight hundred seventy-one thousand, nine hundred eighty-nine".

Divisors: 1 107 491 797 52537 85279 391327 41871989