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20838327 = 329239521
BaseRepresentation
bin100111101111…
…1011110110111
31110012200210220
41033133132313
520313311302
62022345423
7342060066
oct117373667
943180726
1020838327
1110843164
126b8b273
134417b93
142aa61dd
151c694bc
hex13df7b7

20838327 has 8 divisors (see below), whose sum is σ = 28742640. Its totient is φ = 13413120.

The previous prime is 20838317. The next prime is 20838329. The reversal of 20838327 is 72383802.

It is a happy number.

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

It is not a de Polignac number, because 20838327 - 26 = 20838263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20838329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119674 + ... + 119847.

It is an arithmetic number, because the mean of its divisors is an integer number (3592830).

Almost surely, 220838327 is an apocalyptic number.

20838327 is a deficient number, since it is larger than the sum of its proper divisors (7904313).

20838327 is a wasteful number, since it uses less digits than its factorization.

20838327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239553.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 20838327 is about 4564.9016418758. The cubic root of 20838327 is about 275.1825872836.

The spelling of 20838327 in words is "twenty million, eight hundred thirty-eight thousand, three hundred twenty-seven".

Divisors: 1 3 29 87 239521 718563 6946109 20838327