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20160163 = 43468841
BaseRepresentation
bin100110011100…
…1111010100011
31101221020112201
41030321322203
520130111123
62000034031
7333233662
oct114717243
941836481
1020160163
111041a6a1
126902917
13423b2ba
14296add9
151b835ad
hex1339ea3

20160163 has 4 divisors (see below), whose sum is σ = 20629048. Its totient is φ = 19691280.

The previous prime is 20160149. The next prime is 20160169. The reversal of 20160163 is 36106102.

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 20160163 - 217 = 20029091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20160163.

It is not an unprimeable number, because it can be changed into a prime (20160169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234378 + ... + 234463.

It is an arithmetic number, because the mean of its divisors is an integer number (5157262).

Almost surely, 220160163 is an apocalyptic number.

20160163 is a deficient number, since it is larger than the sum of its proper divisors (468885).

20160163 is an equidigital number, since it uses as much as digits as its factorization.

20160163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468884.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20160163 is about 4490.0070155847. The cubic root of 20160163 is about 272.1644181461.

Adding to 20160163 its reverse (36106102), we get a palindrome (56266265).

The spelling of 20160163 in words is "twenty million, one hundred sixty thousand, one hundred sixty-three".

Divisors: 1 43 468841 20160163