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20627926 = 211937633
BaseRepresentation
bin100111010110…
…0000111010110
31102211000012021
41032230013112
520240043201
62014043354
7340222504
oct116540726
942730167
1020627926
111070a080
126aa955a
134373197
142a4d674
151c26ea1
hex13ac1d6

20627926 has 8 divisors (see below), whose sum is σ = 33754824. Its totient is φ = 9376320.

The previous prime is 20627921. The next prime is 20627947. The reversal of 20627926 is 62972602.

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

It is a super-2 number, since 2×206279262 = 851022662122952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20627891 and 20627900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627921) 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, 468795 + ... + 468838.

It is an arithmetic number, because the mean of its divisors is an integer number (4219353).

Almost surely, 220627926 is an apocalyptic number.

20627926 is a deficient number, since it is larger than the sum of its proper divisors (13126898).

20627926 is a wasteful number, since it uses less digits than its factorization.

20627926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937646.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20627926 is about 4541.7976617194. The cubic root of 20627926 is about 274.2532955288.

The spelling of 20627926 in words is "twenty million, six hundred twenty-seven thousand, nine hundred twenty-six".

Divisors: 1 2 11 22 937633 1875266 10313963 20627926