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20146113 = 3213409421
BaseRepresentation
bin100110011011…
…0011111000001
31101220112021100
41030312133001
520124133423
61555445013
7333145011
oct114663701
941815240
1020146113
1110410089
1268b6769
134234aa0
142965c41
151b7e343
hex13367c1

20146113 has 24 divisors (see below), whose sum is σ = 31489640. Its totient is φ = 12337920.

The previous prime is 20146111. The next prime is 20146153. The reversal of 20146113 is 31164102.

It is a happy number.

20146113 is a `hidden beast` number, since 201 + 461 + 1 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 20007729 = 372^2 + 4473^2 .

It is not a de Polignac number, because 20146113 - 21 = 20146111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20146111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47643 + ... + 48063.

Almost surely, 220146113 is an apocalyptic number.

It is an amenable number.

20146113 is a deficient number, since it is larger than the sum of its proper divisors (11343527).

20146113 is a wasteful number, since it uses less digits than its factorization.

20146113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20146113 is about 4488.4421573637. The cubic root of 20146113 is about 272.1011779375.

The spelling of 20146113 in words is "twenty million, one hundred forty-six thousand, one hundred thirteen".

Divisors: 1 3 9 13 39 117 409 421 1227 1263 3681 3789 5317 5473 15951 16419 47853 49257 172189 516567 1549701 2238457 6715371 20146113