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20411682 = 233401947
BaseRepresentation
bin100110111011…
…1010100100010
31102102000120020
41031313110202
520211133212
62005254310
7335332164
oct115672442
942360506
1020411682
1110581665
126a04396
1342c8925
1429d4934
151bd2d8c
hex1377522

20411682 has 8 divisors (see below), whose sum is σ = 40823376. Its totient is φ = 6803892.

The previous prime is 20411647. The next prime is 20411683. The reversal of 20411682 is 28611402.

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

20411682 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20411683) 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, 1700968 + ... + 1700979.

It is an arithmetic number, because the mean of its divisors is an integer number (5102922).

Almost surely, 220411682 is an apocalyptic number.

20411682 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.

20411682 is a wasteful number, since it uses less digits than its factorization.

20411682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401952.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 20411682 is about 4517.9289503046. The cubic root of 20411682 is about 273.2915882444.

The spelling of 20411682 in words is "twenty million, four hundred eleven thousand, six hundred eighty-two".

Divisors: 1 2 3 6 3401947 6803894 10205841 20411682