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20585695 = 513316703
BaseRepresentation
bin100111010000…
…1110011011111
31102201212021011
41032201303133
520232220240
62013120051
7336655414
oct116416337
942655234
1020585695
1110690379
126a89027
134359bb0
142a3c10b
151c196ea
hex13a1cdf

20585695 has 8 divisors (see below), whose sum is σ = 26603136. Its totient is φ = 15201696.

The previous prime is 20585693. The next prime is 20585701. The reversal of 20585695 is 59658502.

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 20585695 - 21 = 20585693 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 (20585693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158287 + ... + 158416.

It is an arithmetic number, because the mean of its divisors is an integer number (3325392).

Almost surely, 220585695 is an apocalyptic number.

20585695 is a deficient number, since it is larger than the sum of its proper divisors (6017441).

20585695 is a wasteful number, since it uses less digits than its factorization.

20585695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316721.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 20585695 is about 4537.1461294519. The cubic root of 20585695 is about 274.0660105224.

The spelling of 20585695 in words is "twenty million, five hundred eighty-five thousand, six hundred ninety-five".

Divisors: 1 5 13 65 316703 1583515 4117139 20585695