Base | Representation |
---|---|
bin | 100110001111… |
… | …0101101001111 |
3 | 1101201120200011 |
4 | 1030132231033 |
5 | 20113024334 |
6 | 1553414051 |
7 | 332261035 |
oct | 114365517 |
9 | 41646604 |
10 | 20048719 |
11 | 10353999 |
12 | 686a327 |
13 | 41cc662 |
14 | 293c555 |
15 | 1b60564 |
hex | 131eb4f |
20048719 has 2 divisors, whose sum is σ = 20048720. Its totient is φ = 20048718.
The previous prime is 20048711. The next prime is 20048741. The reversal of 20048719 is 91784002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20048719 - 23 = 20048711 is a prime.
It is a super-2 number, since 2×200487192 = 803902267081922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20048711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024359 + 10024360.
It is an arithmetic number, because the mean of its divisors is an integer number (10024360).
Almost surely, 220048719 is an apocalyptic number.
20048719 is a deficient number, since it is larger than the sum of its proper divisors (1).
20048719 is an equidigital number, since it uses as much as digits as its factorization.
20048719 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 20048719 is about 4477.5795916991. The cubic root of 20048719 is about 271.6619891216.
The spelling of 20048719 in words is "twenty million, forty-eight thousand, seven hundred nineteen".
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