Base | Representation |
---|---|
bin | 1010110101110110010001 |
3 | 12100101111022 |
4 | 22311312101 |
5 | 1211421001 |
6 | 140525225 |
7 | 33104501 |
oct | 12656621 |
9 | 5311438 |
10 | 2842001 |
11 | 1671268 |
12 | b50815 |
13 | 786776 |
14 | 53da01 |
15 | 3b211b |
hex | 2b5d91 |
2842001 has 4 divisors (see below), whose sum is σ = 2991600. Its totient is φ = 2692404.
The previous prime is 2841989. The next prime is 2842031. The reversal of 2842001 is 1002482.
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 a de Polignac number, because none of the positive numbers 2k-2842001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2842031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74771 + ... + 74808.
It is an arithmetic number, because the mean of its divisors is an integer number (747900).
22842001 is an apocalyptic number.
It is an amenable number.
2842001 is a deficient number, since it is larger than the sum of its proper divisors (149599).
2842001 is a wasteful number, since it uses less digits than its factorization.
2842001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149598.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 2842001 is about 1685.8235376219. The cubic root of 2842001 is about 141.6472265520.
Adding to 2842001 its reverse (1002482), we get a palindrome (3844483).
The spelling of 2842001 in words is "two million, eight hundred forty-two thousand, one".
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