Search a number
-
+
20326926 = 233387821
BaseRepresentation
bin100110110001…
…0101000001110
31102020201022010
41031202220032
520200430201
62003402050
7334530114
oct115425016
942221263
1020326926
1110523a14
126983326
134299189
1429b1ab4
151bb7bd6
hex1362a0e

20326926 has 8 divisors (see below), whose sum is σ = 40653864. Its totient is φ = 6775640.

The previous prime is 20326921. The next prime is 20326961. The reversal of 20326926 is 62962302.

It is a sphenic number, since it is the product of 3 distinct primes.

20326926 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20326893 and 20326902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693905 + ... + 1693916.

It is an arithmetic number, because the mean of its divisors is an integer number (5081733).

Almost surely, 220326926 is an apocalyptic number.

20326926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20326926 is a wasteful number, since it uses less digits than its factorization.

20326926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387826.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 20326926 is about 4508.5392312810. The cubic root of 20326926 is about 272.9127980287.

The spelling of 20326926 in words is "twenty million, three hundred twenty-six thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 3387821 6775642 10163463 20326926