Search a number
-
+
20411301 = 319247401
BaseRepresentation
bin100110111011…
…1001110100101
31102102000001010
41031313032211
520211130201
62005252433
7335331111
oct115671645
942360033
1020411301
1110581349
126a04119
1342c86c1
1429d4741
151bd2bd6
hex13773a5

20411301 has 24 divisors (see below), whose sum is σ = 29407104. Its totient is φ = 12585600.

The previous prime is 20411291. The next prime is 20411323. The reversal of 20411301 is 10311402.

It is a happy number.

It is not a de Polignac number, because 20411301 - 25 = 20411269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50701 + ... + 51101.

It is an arithmetic number, because the mean of its divisors is an integer number (1225296).

Almost surely, 220411301 is an apocalyptic number.

It is an amenable number.

20411301 is a deficient number, since it is larger than the sum of its proper divisors (8995803).

20411301 is a wasteful number, since it uses less digits than its factorization.

20411301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20411301 is about 4517.8867847701. The cubic root of 20411301 is about 273.2898878334.

Adding to 20411301 its reverse (10311402), we get a palindrome (30722703).

The spelling of 20411301 in words is "twenty million, four hundred eleven thousand, three hundred one".

Divisors: 1 3 19 47 57 141 361 401 893 1083 1203 2679 7619 16967 18847 22857 50901 56541 144761 358093 434283 1074279 6803767 20411301