Base | Representation |
---|---|
bin | 101011011011010110001 |
3 | 2200022000122 |
4 | 11123122301 |
5 | 331014100 |
6 | 50300025 |
7 | 15044522 |
oct | 5333261 |
9 | 2608018 |
10 | 1423025 |
11 | 89215a |
12 | 587615 |
13 | 3aa936 |
14 | 290849 |
15 | 1d1985 |
hex | 15b6b1 |
1423025 has 6 divisors (see below), whose sum is σ = 1764582. Its totient is φ = 1138400.
The previous prime is 1423003. The next prime is 1423039. The reversal of 1423025 is 5203241.
It can be written as a sum of positive squares in 3 ways, for example, as 322624 + 1100401 = 568^2 + 1049^2 .
It is not a de Polignac number, because 1423025 - 26 = 1422961 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1422994 and 1423012.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28436 + ... + 28485.
It is an arithmetic number, because the mean of its divisors is an integer number (294097).
21423025 is an apocalyptic number.
It is an amenable number.
1423025 is a deficient number, since it is larger than the sum of its proper divisors (341557).
1423025 is an equidigital number, since it uses as much as digits as its factorization.
1423025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56931 (or 56926 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 1423025 is about 1192.9061153335. The cubic root of 1423025 is about 112.4788437583.
Adding to 1423025 its reverse (5203241), we get a palindrome (6626266).
The spelling of 1423025 in words is "one million, four hundred twenty-three thousand, twenty-five".
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