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20341051 = 23985109
BaseRepresentation
bin100110110011…
…0000100111011
31102021102200021
41031212010323
520201403201
62003551311
7334616233
oct115460473
942242607
1020341051
1110533595
12698b537
1342a2733
1429b6cc3
151bbbea1
hex136613b

20341051 has 4 divisors (see below), whose sum is σ = 20426400. Its totient is φ = 20255704.

The previous prime is 20341037. The next prime is 20341063. The reversal of 20341051 is 15014302.

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 20341051 - 25 = 20341019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20341081) 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 3 ways as a sum of consecutive naturals, for example, 42316 + ... + 42793.

It is an arithmetic number, because the mean of its divisors is an integer number (5106600).

Almost surely, 220341051 is an apocalyptic number.

20341051 is a deficient number, since it is larger than the sum of its proper divisors (85349).

20341051 is an equidigital number, since it uses as much as digits as its factorization.

20341051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85348.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20341051 is about 4510.1054311402. The cubic root of 20341051 is about 272.9759982835.

Adding to 20341051 its reverse (15014302), we get a palindrome (35355353).

The spelling of 20341051 in words is "twenty million, three hundred forty-one thousand, fifty-one".

Divisors: 1 239 85109 20341051