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20338482 = 233389747
BaseRepresentation
bin100110110010…
…1011100110010
31102021022011010
41031211130302
520201312412
62003531350
7334605603
oct115453462
942238133
1020338482
111053166a
126989b56
1342a1508
1429b5daa
151bbb33c
hex1365732

20338482 has 8 divisors (see below), whose sum is σ = 40676976. Its totient is φ = 6779492.

The previous prime is 20338481. The next prime is 20338489. The reversal of 20338482 is 28483302.

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

20338482 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20338481) 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, 1694868 + ... + 1694879.

It is an arithmetic number, because the mean of its divisors is an integer number (5084622).

Almost surely, 220338482 is an apocalyptic number.

20338482 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.

20338482 is a wasteful number, since it uses less digits than its factorization.

20338482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389752.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20338482 is about 4509.8206172751. The cubic root of 20338482 is about 272.9645058444.

The spelling of 20338482 in words is "twenty million, three hundred thirty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 3389747 6779494 10169241 20338482