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20301841 = 75949157
BaseRepresentation
bin100110101110…
…0100000010001
31102012102220001
41031130200101
520144124331
62003050001
7334364020
oct115344021
942172801
1020301841
111050708a
126970901
13428a931
1429a68b7
151bb0561
hex135c811

20301841 has 8 divisors (see below), whose sum is σ = 23595840. Its totient is φ = 17106288.

The previous prime is 20301829. The next prime is 20301857. The reversal of 20301841 is 14810302.

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

It is a cyclic number.

It is not a de Polignac number, because 20301841 - 27 = 20301713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24166 + ... + 24991.

It is an arithmetic number, because the mean of its divisors is an integer number (2949480).

Almost surely, 220301841 is an apocalyptic number.

It is an amenable number.

20301841 is a deficient number, since it is larger than the sum of its proper divisors (3293999).

20301841 is an equidigital number, since it uses as much as digits as its factorization.

20301841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49223.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20301841 is about 4505.7564292802. The cubic root of 20301841 is about 272.8004866436.

The spelling of 20301841 in words is "twenty million, three hundred one thousand, eight hundred forty-one".

Divisors: 1 7 59 413 49157 344099 2900263 20301841