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20411119 = 27117529
BaseRepresentation
bin100110111011…
…1001011101111
31102101222210101
41031313023233
520211123434
62005251531
7335330431
oct115671357
942358711
1020411119
11105811a3
126a03ba7
1342c85b1
1429d4651
151bd2b14
hex13772ef

20411119 has 4 divisors (see below), whose sum is σ = 20421360. Its totient is φ = 20400880.

The previous prime is 20411107. The next prime is 20411129. The reversal of 20411119 is 91111402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20411119 - 213 = 20402927 is a prime.

It is a super-2 number, since 2×204111192 = 833227557664322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20411096 and 20411105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (5105340).

Almost surely, 220411119 is an apocalyptic number.

20411119 is a deficient number, since it is larger than the sum of its proper divisors (10241).

20411119 is an equidigital number, since it uses as much as digits as its factorization.

20411119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10240.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 20411119 is about 4517.8666425648. The cubic root of 20411119 is about 273.2890755561.

It can be divided in two parts, 2041 and 1119, that added together give a triangular number (3160 = T79).

The spelling of 20411119 in words is "twenty million, four hundred eleven thousand, one hundred nineteen".

Divisors: 1 2711 7529 20411119