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20414395 = 54082879
BaseRepresentation
bin100110111011…
…1111110111011
31102102011021201
41031313332323
520211230040
62005315031
7335343121
oct115677673
942364251
1020414395
1110583701
126a05a77
1342c9c31
1429d5911
151bd3a9a
hex1377fbb

20414395 has 4 divisors (see below), whose sum is σ = 24497280. Its totient is φ = 16331512.

The previous prime is 20414393. The next prime is 20414411. The reversal of 20414395 is 59341402.

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

It is a cyclic number.

It is not a de Polignac number, because 20414395 - 21 = 20414393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20414393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041435 + ... + 2041444.

It is an arithmetic number, because the mean of its divisors is an integer number (6124320).

Almost surely, 220414395 is an apocalyptic number.

20414395 is a deficient number, since it is larger than the sum of its proper divisors (4082885).

20414395 is an equidigital number, since it uses as much as digits as its factorization.

20414395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082884.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20414395 is about 4518.2291885207. The cubic root of 20414395 is about 273.3036958083.

Adding to 20414395 its reverse (59341402), we get a palindrome (79755797).

The spelling of 20414395 in words is "twenty million, four hundred fourteen thousand, three hundred ninety-five".

Divisors: 1 5 4082879 20414395