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20003882 = 223434867
BaseRepresentation
bin100110001001…
…1110000101010
31101122022011112
41030103300222
520110111012
61552430322
7332013233
oct114236052
941568145
1020003882
1110323238
1268483a2
1341b5122
14292a08a
151b52122
hex1313c2a

20003882 has 8 divisors (see below), whose sum is σ = 31310496. Its totient is φ = 9567052.

The previous prime is 20003869. The next prime is 20003887. The reversal of 20003882 is 28830002.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (20003887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 217388 + ... + 217479.

It is an arithmetic number, because the mean of its divisors is an integer number (3913812).

Almost surely, 220003882 is an apocalyptic number.

20003882 is a deficient number, since it is larger than the sum of its proper divisors (11306614).

20003882 is a wasteful number, since it uses less digits than its factorization.

20003882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434892.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20003882 is about 4472.5699547352. The cubic root of 20003882 is about 271.4593228053.

Adding to 20003882 its reverse (28830002), we get a palindrome (48833884).

The spelling of 20003882 in words is "twenty million, three thousand, eight hundred eighty-two".

Divisors: 1 2 23 46 434867 869734 10001941 20003882