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41248909 = 1317318341
BaseRepresentation
bin1001110101011…
…0100010001101
32212121122212101
42131112202031
541024431114
64032035101
71010416132
oct235264215
985548771
1041248909
1121313a09
1211992a91
138713150
14569a589
15394bd74
hex275688d

41248909 has 8 divisors (see below), whose sum is σ = 44681112. Its totient is φ = 37853760.

The previous prime is 41248903. The next prime is 41248957. The reversal of 41248909 is 90984214.

It is a happy number.

41248909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1747684 + 39501225 = 1322^2 + 6285^2 .

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 41248909 - 217 = 41117837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41248903) 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 7 ways as a sum of consecutive naturals, for example, 6922 + ... + 11419.

It is an arithmetic number, because the mean of its divisors is an integer number (5585139).

Almost surely, 241248909 is an apocalyptic number.

It is an amenable number.

41248909 is a deficient number, since it is larger than the sum of its proper divisors (3432203).

41248909 is a wasteful number, since it uses less digits than its factorization.

41248909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18527.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 41248909 is about 6422.5313545362. The cubic root of 41248909 is about 345.5181153033.

The spelling of 41248909 in words is "forty-one million, two hundred forty-eight thousand, nine hundred nine".

Divisors: 1 13 173 2249 18341 238433 3172993 41248909