Base | Representation |
---|---|
bin | 100111101010… |
… | …1000101100000 |
3 | 1110010112101202 |
4 | 1033111011200 |
5 | 20310430434 |
6 | 2021420332 |
7 | 341521664 |
oct | 117250540 |
9 | 43115352 |
10 | 20795744 |
11 | 10814172 |
12 | 6b6a6a8 |
13 | 4401698 |
14 | 2a948a4 |
15 | 1c5ba7e |
hex | 13d5160 |
20795744 has 12 divisors (see below), whose sum is σ = 40941684. Its totient is φ = 10397856.
The previous prime is 20795717. The next prime is 20795759. The reversal of 20795744 is 44759702.
It is a junction number, because it is equal to n+sod(n) for n = 20795698 and 20795707.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324902 + ... + 324965.
It is an arithmetic number, because the mean of its divisors is an integer number (3411807).
Almost surely, 220795744 is an apocalyptic number.
It is an amenable number.
20795744 is a deficient number, since it is larger than the sum of its proper divisors (20145940).
20795744 is an equidigital number, since it uses as much as digits as its factorization.
20795744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649877 (or 649869 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 38.
The square root of 20795744 is about 4560.2350816597. The cubic root of 20795744 is about 274.9950147857.
The spelling of 20795744 in words is "twenty million, seven hundred ninety-five thousand, seven hundred forty-four".
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