Search a number
-
+
20894926 = 213803651
BaseRepresentation
bin100111110110…
…1010011001110
31110022120110011
41033231103032
520322114201
62023503434
7342414103
oct117552316
943276404
1020894926
1110881738
126bb7b7a
134437880
142abcaaa
151c7b151
hex13ed4ce

20894926 has 8 divisors (see below), whose sum is σ = 33753384. Its totient is φ = 9643800.

The previous prime is 20894911. The next prime is 20894957. The reversal of 20894926 is 62949802.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401800 + ... + 401851.

It is an arithmetic number, because the mean of its divisors is an integer number (4219173).

Almost surely, 220894926 is an apocalyptic number.

20894926 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20894926 is a deficient number, since it is larger than the sum of its proper divisors (12858458).

20894926 is a wasteful number, since it uses less digits than its factorization.

20894926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803666.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 20894926 is about 4571.0968049255. The cubic root of 20894926 is about 275.4315032891.

The spelling of 20894926 in words is "twenty million, eight hundred ninety-four thousand, nine hundred twenty-six".

Divisors: 1 2 13 26 803651 1607302 10447463 20894926