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20051882 = 210199839
BaseRepresentation
bin100110001111…
…1011110101010
31101201202000022
41030133132222
520113130012
61553440442
7332303204
oct114373652
941652008
1020051882
1110356304
126870122
134200c26
14293d774
151b61472
hex131f7aa

20051882 has 8 divisors (see below), whose sum is σ = 30110400. Its totient is φ = 10015084.

The previous prime is 20051881. The next prime is 20051893. The reversal of 20051882 is 28815002.

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

It is not an unprimeable number, because it can be changed into a prime (20051881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (3763800).

Almost surely, 220051882 is an apocalyptic number.

20051882 is a deficient number, since it is larger than the sum of its proper divisors (10058518).

20051882 is a wasteful number, since it uses less digits than its factorization.

20051882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 20051882 is about 4477.9327819877. The cubic root of 20051882 is about 271.6762746841.

Adding to 20051882 its reverse (28815002), we get a palindrome (48866884).

The spelling of 20051882 in words is "twenty million, fifty-one thousand, eight hundred eighty-two".

Divisors: 1 2 1019 2038 9839 19678 10025941 20051882