Base | Representation |
---|---|
bin | 1010111101001011000001 |
3 | 12101220122102 |
4 | 22331023001 |
5 | 1213401001 |
6 | 141320145 |
7 | 33261116 |
oct | 12751301 |
9 | 5356572 |
10 | 2872001 |
11 | 1691860 |
12 | b66055 |
13 | 797312 |
14 | 54a90d |
15 | 3bae6b |
hex | 2bd2c1 |
2872001 has 8 divisors (see below), whose sum is σ = 3154944. Its totient is φ = 2592720.
The previous prime is 2871991. The next prime is 2872003. The reversal of 2872001 is 1002782.
2872001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2872001 - 26 = 2871937 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2872003) 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 7 ways as a sum of consecutive naturals, for example, 896 + ... + 2558.
It is an arithmetic number, because the mean of its divisors is an integer number (394368).
22872001 is an apocalyptic number.
It is an amenable number.
2872001 is a deficient number, since it is larger than the sum of its proper divisors (282943).
2872001 is a wasteful number, since it uses less digits than its factorization.
2872001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1831.
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 2872001 is about 1694.6979081830. The cubic root of 2872001 is about 142.1438897211.
Adding to 2872001 its reverse (1002782), we get a palindrome (3874783).
The spelling of 2872001 in words is "two million, eight hundred seventy-two thousand, one".
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