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20850063 = 313534617
BaseRepresentation
bin100111110001…
…0010110001111
31110020021220120
41033202112033
520314200223
62022520023
7342136233
oct117422617
943207816
1020850063
1110850a63
126b96013
134420320
142aaa5c3
151c6cbe3
hex13e258f

20850063 has 8 divisors (see below), whose sum is σ = 29938608. Its totient is φ = 12830784.

The previous prime is 20850059. The next prime is 20850077. The reversal of 20850063 is 36005802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20850063 - 22 = 20850059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850083) 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, 267270 + ... + 267347.

It is an arithmetic number, because the mean of its divisors is an integer number (3742326).

Almost surely, 220850063 is an apocalyptic number.

20850063 is a deficient number, since it is larger than the sum of its proper divisors (9088545).

20850063 is a wasteful number, since it uses less digits than its factorization.

20850063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534633.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20850063 is about 4566.1869212725. The cubic root of 20850063 is about 275.2342378911.

Adding to 20850063 its reverse (36005802), we get a palindrome (56855865).

The spelling of 20850063 in words is "twenty million, eight hundred fifty thousand, sixty-three".

Divisors: 1 3 13 39 534617 1603851 6950021 20850063