Base | Representation |
---|---|
bin | 100100100110… |
… | …1110100001001 |
3 | 1100010002222110 |
4 | 1021031310021 |
5 | 14403134342 |
6 | 1523212533 |
7 | 322065360 |
oct | 111156411 |
9 | 40102873 |
10 | 19193097 |
11 | a91a070 |
12 | 6517149 |
13 | 3c90081 |
14 | 27987d7 |
15 | 1a41c9c |
hex | 124dd09 |
19193097 has 32 divisors (see below), whose sum is σ = 33592320. Its totient is φ = 9443520.
The previous prime is 19193089. The next prime is 19193147. The reversal of 19193097 is 79039191.
It is not a de Polignac number, because 19193097 - 23 = 19193089 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (19193197) by changing a digit.
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 in 31 ways as a sum of consecutive naturals, for example, 2203 + ... + 6575.
It is an arithmetic number, because the mean of its divisors is an integer number (1049760).
Almost surely, 219193097 is an apocalyptic number.
It is an amenable number.
19193097 is a deficient number, since it is larger than the sum of its proper divisors (14399223).
19193097 is a wasteful number, since it uses less digits than its factorization.
19193097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4413.
The product of its (nonzero) digits is 15309, while the sum is 39.
The square root of 19193097 is about 4380.9926957255. The cubic root of 19193097 is about 267.7410852442.
The spelling of 19193097 in words is "nineteen million, one hundred ninety-three thousand, ninety-seven".
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