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20001041 = 671372179
BaseRepresentation
bin100110001001…
…1000100010001
31101122011021022
41030103010101
520110013131
61552405225
7332002034
oct114230421
941564238
1020001041
1110321095
126846815
1341b3a48
14292901b
151b5137b
hex1313111

20001041 has 8 divisors (see below), whose sum is σ = 20457120. Its totient is φ = 19549728.

The previous prime is 20001031. The next prime is 20001067. The reversal of 20001041 is 14010002.

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 20001041 - 222 = 15806737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001001) 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, 8090 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (2557140).

Almost surely, 220001041 is an apocalyptic number.

It is an amenable number.

20001041 is a deficient number, since it is larger than the sum of its proper divisors (456079).

20001041 is a wasteful number, since it uses less digits than its factorization.

20001041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 20001041 is about 4472.2523408234. The cubic root of 20001041 is about 271.4464710923.

Adding to 20001041 its reverse (14010002), we get a palindrome (34011043).

The spelling of 20001041 in words is "twenty million, one thousand, forty-one".

Divisors: 1 67 137 2179 9179 145993 298523 20001041