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20593065 = 355923269
BaseRepresentation
bin100111010001…
…1100110101001
31102202020101010
41032203212221
520232434230
62013214133
7340016043
oct116434651
942666333
1020593065
1110695969
126a91349
13436035c
142a40a93
151c1b9b0
hex13a39a9

20593065 has 16 divisors (see below), whose sum is σ = 33508800. Its totient is φ = 10796352.

The previous prime is 20593063. The next prime is 20593121. The reversal of 20593065 is 56039502.

It is not a de Polignac number, because 20593065 - 21 = 20593063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20593063) 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 15 ways as a sum of consecutive naturals, for example, 10750 + ... + 12519.

It is an arithmetic number, because the mean of its divisors is an integer number (2094300).

Almost surely, 220593065 is an apocalyptic number.

It is an amenable number.

20593065 is a deficient number, since it is larger than the sum of its proper divisors (12915735).

20593065 is a wasteful number, since it uses less digits than its factorization.

20593065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 20593065 is about 4537.9582413240. The cubic root of 20593065 is about 274.0987132560.

The spelling of 20593065 in words is "twenty million, five hundred ninety-three thousand, sixty-five".

Divisors: 1 3 5 15 59 177 295 885 23269 69807 116345 349035 1372871 4118613 6864355 20593065