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20038926 = 236175413
BaseRepresentation
bin100110001110…
…0010100001110
31101201002020110
41030130110032
520112221201
61553300450
7332220345
oct114342416
941632213
1020038926
11103475a6
126864726
1341c806b
142938b5c
151b5c6d6
hex131c50e

20038926 has 16 divisors (see below), whose sum is σ = 40150224. Its totient is φ = 6667584.

The previous prime is 20038897. The next prime is 20038951. The reversal of 20038926 is 62983002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20038893 and 20038902.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 996 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (2509389).

Almost surely, 220038926 is an apocalyptic number.

20038926 is an abundant number, since it is smaller than the sum of its proper divisors (20111298).

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

20038926 is a wasteful number, since it uses less digits than its factorization.

20038926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20038926 is about 4476.4858985593. The cubic root of 20038926 is about 271.6177499004.

The spelling of 20038926 in words is "twenty million, thirty-eight thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 617 1234 1851 3702 5413 10826 16239 32478 3339821 6679642 10019463 20038926