Base | Representation |
---|---|
bin | 1000001011001100110001 |
3 | 11000212200022 |
4 | 20023030301 |
5 | 1022034100 |
6 | 113533225 |
7 | 24133613 |
oct | 10131461 |
9 | 4025608 |
10 | 2143025 |
11 | 12340a5 |
12 | 874215 |
13 | 5a0581 |
14 | 3dadb3 |
15 | 2c4e85 |
hex | 20b331 |
2143025 has 12 divisors (see below), whose sum is σ = 2773632. Its totient is φ = 1639440.
The previous prime is 2143019. The next prime is 2143027. The reversal of 2143025 is 5203412.
It is not a de Polignac number, because 2143025 - 210 = 2142001 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2142994 and 2143012.
It is not an unprimeable number, because it can be changed into a prime (2143027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289 + ... + 2438.
It is an arithmetic number, because the mean of its divisors is an integer number (231136).
22143025 is an apocalyptic number.
2143025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2143025 is a deficient number, since it is larger than the sum of its proper divisors (630607).
2143025 is a wasteful number, since it uses less digits than its factorization.
2143025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3760 (or 3755 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 2143025 is about 1463.9074424293. The cubic root of 2143025 is about 128.9265651790.
Adding to 2143025 its reverse (5203412), we get a palindrome (7346437).
The spelling of 2143025 in words is "two million, one hundred forty-three thousand, twenty-five".
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