Base | Representation |
---|---|
bin | 100100010110… |
… | …1101010110011 |
3 | 1022212102100210 |
4 | 1020231222303 |
5 | 14334431202 |
6 | 1520315203 |
7 | 321006450 |
oct | 110555263 |
9 | 38772323 |
10 | 19061427 |
11 | a83a150 |
12 | 6472b03 |
13 | 3c45168 |
14 | 2762827 |
15 | 1a17c6c |
hex | 122dab3 |
19061427 has 64 divisors (see below), whose sum is σ = 34467840. Its totient is φ = 9072000.
The previous prime is 19061423. The next prime is 19061429. The reversal of 19061427 is 72416091.
It is a happy number.
It is not a de Polignac number, because 19061427 - 22 = 19061423 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19061394 and 19061403.
It is not an unprimeable number, because it can be changed into a prime (19061423) 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 in 63 ways as a sum of consecutive naturals, for example, 188677 + ... + 188777.
It is an arithmetic number, because the mean of its divisors is an integer number (538560).
Almost surely, 219061427 is an apocalyptic number.
19061427 is a deficient number, since it is larger than the sum of its proper divisors (15406413).
19061427 is a wasteful number, since it uses less digits than its factorization.
19061427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 19061427 is about 4365.9394178115. The cubic root of 19061427 is about 267.1274202797.
It can be divided in two parts, 1906 and 1427, that added together give a palindrome (3333).
The spelling of 19061427 in words is "nineteen million, sixty-one thousand, four hundred twenty-seven".
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