Base | Representation |
---|---|
bin | 100101101100… |
… | …0001110010111 |
3 | 1101011220122201 |
4 | 1023120032113 |
5 | 20024310043 |
6 | 1543305331 |
7 | 326646253 |
oct | 113301627 |
9 | 41156581 |
10 | 19760023 |
11 | 10176aa8 |
12 | 674b247 |
13 | 412b12a |
14 | 28a5263 |
15 | 1b04c4d |
hex | 12d8397 |
19760023 has 2 divisors, whose sum is σ = 19760024. Its totient is φ = 19760022.
The previous prime is 19759997. The next prime is 19760029. The reversal of 19760023 is 32006791.
It is a strong prime.
It is an emirp because it is prime and its reverse (32006791) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 19760023 - 221 = 17662871 is a prime.
It is equal to p1256275 and since 19760023 and 1256275 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 19759973 and 19760000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19760029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9880011 + 9880012.
It is an arithmetic number, because the mean of its divisors is an integer number (9880012).
Almost surely, 219760023 is an apocalyptic number.
19760023 is a deficient number, since it is larger than the sum of its proper divisors (1).
19760023 is an equidigital number, since it uses as much as digits as its factorization.
19760023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2268, while the sum is 28.
The square root of 19760023 is about 4445.2247412251. The cubic root of 19760023 is about 270.3517272507.
The spelling of 19760023 in words is "nineteen million, seven hundred sixty thousand, twenty-three".
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