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41585389 is a prime number
BaseRepresentation
bin1001111010100…
…0101011101101
32220020202102121
42132220223231
541121213024
64043152541
71013320126
oct236505355
986222377
1041585389
112152379a
1211b15751
138800351
14574704d
1539b68e4
hex27a8aed

41585389 has 2 divisors, whose sum is σ = 41585390. Its totient is φ = 41585388.

The previous prime is 41585387. The next prime is 41585413. The reversal of 41585389 is 98358514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37724164 + 3861225 = 6142^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 41585389 - 21 = 41585387 is a prime.

Together with 41585387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41585387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20792694 + 20792695.

It is an arithmetic number, because the mean of its divisors is an integer number (20792695).

Almost surely, 241585389 is an apocalyptic number.

It is an amenable number.

41585389 is a deficient number, since it is larger than the sum of its proper divisors (1).

41585389 is an equidigital number, since it uses as much as digits as its factorization.

41585389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The square root of 41585389 is about 6448.6734294737. The cubic root of 41585389 is about 346.4550712978.

The spelling of 41585389 in words is "forty-one million, five hundred eighty-five thousand, three hundred eighty-nine".