Base | Representation |
---|---|
bin | 100110001110… |
… | …1000000110000 |
3 | 1101201020011000 |
4 | 1030131000300 |
5 | 20112314101 |
6 | 1553322000 |
7 | 332231556 |
oct | 114350060 |
9 | 41636130 |
10 | 20041776 |
11 | 10349757 |
12 | 6866300 |
13 | 41c9451 |
14 | 2939bd6 |
15 | 1b5d486 |
hex | 131d030 |
20041776 has 80 divisors (see below), whose sum is σ = 60933600. Its totient is φ = 6285312.
The previous prime is 20041771. The next prime is 20041783. The reversal of 20041776 is 67714002.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20041771) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5980 + ... + 8708.
It is an arithmetic number, because the mean of its divisors is an integer number (761670).
Almost surely, 220041776 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20041776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30466800).
20041776 is an abundant number, since it is smaller than the sum of its proper divisors (40891824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20041776 is a wasteful number, since it uses less digits than its factorization.
20041776 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2763 (or 2751 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 20041776 is about 4476.8042172961. The cubic root of 20041776 is about 271.6306260711.
Adding to 20041776 its reverse (67714002), we get a palindrome (87755778).
The spelling of 20041776 in words is "twenty million, forty-one thousand, seven hundred seventy-six".
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