Base | Representation |
---|---|
bin | 100110001110… |
… | …1101110101011 |
3 | 1101201101011212 |
4 | 1030131232223 |
5 | 20112412330 |
6 | 1553343335 |
7 | 332243255 |
oct | 114355653 |
9 | 41641155 |
10 | 20044715 |
11 | 10350989 |
12 | 6867b4b |
13 | 41ca8a2 |
14 | 293acd5 |
15 | 1b5e295 |
hex | 131dbab |
20044715 has 16 divisors (see below), whose sum is σ = 25449120. Its totient is φ = 15114240.
The previous prime is 20044699. The next prime is 20044721. The reversal of 20044715 is 51744002.
It is not a de Polignac number, because 20044715 - 24 = 20044699 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24005 + ... + 24825.
It is an arithmetic number, because the mean of its divisors is an integer number (1590570).
Almost surely, 220044715 is an apocalyptic number.
20044715 is a deficient number, since it is larger than the sum of its proper divisors (5404405).
20044715 is a wasteful number, since it uses less digits than its factorization.
20044715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1102.
The product of its (nonzero) digits is 1120, while the sum is 23.
The square root of 20044715 is about 4477.1324528095. The cubic root of 20044715 is about 271.6439030613.
Adding to 20044715 its reverse (51744002), we get a palindrome (71788717).
The spelling of 20044715 in words is "twenty million, forty-four thousand, seven hundred fifteen".
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