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20193882 = 233365647
BaseRepresentation
bin100110100001…
…0001001011010
31101222221210120
41031002021122
520132201012
62000454110
7333434202
oct115021132
941887716
1020193882
1110442a65
12691a336
134250757
142979402
151b8d58c
hex134225a

20193882 has 8 divisors (see below), whose sum is σ = 40387776. Its totient is φ = 6731292.

The previous prime is 20193863. The next prime is 20193883. The reversal of 20193882 is 28839102.

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

20193882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20193883) 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, 1682818 + ... + 1682829.

It is an arithmetic number, because the mean of its divisors is an integer number (5048472).

Almost surely, 220193882 is an apocalyptic number.

20193882 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.

20193882 is a wasteful number, since it uses less digits than its factorization.

20193882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365652.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 20193882 is about 4493.7603407391. The cubic root of 20193882 is about 272.3160703649.

The spelling of 20193882 in words is "twenty million, one hundred ninety-three thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 3365647 6731294 10096941 20193882