Base | Representation |
---|---|
bin | 100000001001… |
… | …010111111001 |
3 | 120212010200011 |
4 | 200021113321 |
5 | 4124131001 |
6 | 500341521 |
7 | 131425342 |
oct | 40112771 |
9 | 16763604 |
10 | 8427001 |
11 | 4836370 |
12 | 29a48a1 |
13 | 19908bb |
14 | 11950c9 |
15 | b16d51 |
hex | 8095f9 |
8427001 has 4 divisors (see below), whose sum is σ = 9193104. Its totient is φ = 7660900.
The previous prime is 8426989. The next prime is 8427031. The reversal of 8427001 is 1007248.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 8427001 - 25 = 8426969 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8427031) 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 3 ways as a sum of consecutive naturals, for example, 383035 + ... + 383056.
It is an arithmetic number, because the mean of its divisors is an integer number (2298276).
Almost surely, 28427001 is an apocalyptic number.
It is an amenable number.
8427001 is a deficient number, since it is larger than the sum of its proper divisors (766103).
8427001 is a wasteful number, since it uses less digits than its factorization.
8427001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 766102.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 8427001 is about 2902.9297270172. The cubic root of 8427001 is about 203.4968456912.
The spelling of 8427001 in words is "eight million, four hundred twenty-seven thousand, one".
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