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20084773 = 23873251
BaseRepresentation
bin100110010011…
…1100000100101
31101210102010111
41030213200211
520120203043
61554253021
7332501122
oct114474045
941712114
1020084773
1110378a95
126887171
134212ba7
14294b749
151b6b09d
hex1327825

20084773 has 4 divisors (see below), whose sum is σ = 20958048. Its totient is φ = 19211500.

The previous prime is 20084761. The next prime is 20084783. The reversal of 20084773 is 37748002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20084773 - 29 = 20084261 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436603 + ... + 436648.

It is an arithmetic number, because the mean of its divisors is an integer number (5239512).

Almost surely, 220084773 is an apocalyptic number.

20084773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20084773 is a deficient number, since it is larger than the sum of its proper divisors (873275).

20084773 is an equidigital number, since it uses as much as digits as its factorization.

20084773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873274.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 20084773 is about 4481.6038423761. The cubic root of 20084773 is about 271.8247366102.

The spelling of 20084773 in words is "twenty million, eighty-four thousand, seven hundred seventy-three".

Divisors: 1 23 873251 20084773