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20116473 = 3131015107
BaseRepresentation
bin100110010111…
…1001111111001
31101212000121120
41030233033321
520122211343
61555055453
7332662416
oct114571771
941760546
1020116473
111039a893
1268a1589
134224450
14295910d
151b75683
hex132f3f9

20116473 has 16 divisors (see below), whose sum is σ = 29176896. Its totient is φ = 12254400.

The previous prime is 20116451. The next prime is 20116477. The reversal of 20116473 is 37461102.

It is not a de Polignac number, because 20116473 - 25 = 20116441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20116477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1823556).

Almost surely, 220116473 is an apocalyptic number.

It is an amenable number.

20116473 is a deficient number, since it is larger than the sum of its proper divisors (9060423).

20116473 is a wasteful number, since it uses less digits than its factorization.

20116473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20116473 is about 4485.1391282768. The cubic root of 20116473 is about 271.9676693478.

Adding to 20116473 its reverse (37461102), we get a palindrome (57577575).

The spelling of 20116473 in words is "twenty million, one hundred sixteen thousand, four hundred seventy-three".

Divisors: 1 3 13 39 101 303 1313 3939 5107 15321 66391 199173 515807 1547421 6705491 20116473