Base | Representation |
---|---|
bin | 101010011010111… |
… | …1100100000000001 |
3 | 10200012102121120012 |
4 | 1110311330200001 |
5 | 10403344140320 |
6 | 353124554305 |
7 | 50162635436 |
oct | 12465744001 |
9 | 3605377505 |
10 | 1423427585 |
11 | 670540238 |
12 | 338852995 |
13 | 198b92058 |
14 | d708db8d |
15 | 84e714c5 |
hex | 54d7c801 |
1423427585 has 4 divisors (see below), whose sum is σ = 1708113108. Its totient is φ = 1138742064.
The previous prime is 1423427573. The next prime is 1423427591. The reversal of 1423427585 is 5857243241.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1078991104 + 344436481 = 32848^2 + 18559^2 .
It is a cyclic number.
It is not a de Polignac number, because 1423427585 - 26 = 1423427521 is a prime.
It is a super-2 number, since 2×14234275852 = 4052292179477864450, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 142342754 + ... + 142342763.
It is an arithmetic number, because the mean of its divisors is an integer number (427028277).
Almost surely, 21423427585 is an apocalyptic number.
It is an amenable number.
1423427585 is a deficient number, since it is larger than the sum of its proper divisors (284685523).
1423427585 is an equidigital number, since it uses as much as digits as its factorization.
1423427585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284685522.
The product of its digits is 268800, while the sum is 41.
The square root of 1423427585 is about 37728.3392822955. The cubic root of 1423427585 is about 1124.8944980899.
The spelling of 1423427585 in words is "one billion, four hundred twenty-three million, four hundred twenty-seven thousand, five hundred eighty-five".
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