Base | Representation |
---|---|
bin | 110010010111… |
… | …100010101001 |
3 | 220211210222011 |
4 | 302113202221 |
5 | 11340004000 |
6 | 1150555521 |
7 | 220141351 |
oct | 62274251 |
9 | 26753864 |
10 | 13203625 |
11 | 74a9096 |
12 | 4508ba1 |
13 | 2973ac6 |
14 | 1a79b61 |
15 | 125c2ba |
hex | c978a9 |
13203625 has 16 divisors (see below), whose sum is σ = 16797456. Its totient is φ = 10358400.
The previous prime is 13203601. The next prime is 13203637. The reversal of 13203625 is 52630231.
13203625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 1731856 + 11471769 = 1316^2 + 3387^2 .
It is not a de Polignac number, because 13203625 - 211 = 13201577 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13203596 and 13203605.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5629 + ... + 7621.
It is an arithmetic number, because the mean of its divisors is an integer number (1049841).
Almost surely, 213203625 is an apocalyptic number.
It is an amenable number.
13203625 is a deficient number, since it is larger than the sum of its proper divisors (3593831).
13203625 is an equidigital number, since it uses as much as digits as its factorization.
13203625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2061 (or 2051 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 13203625 is about 3633.6792648774. The cubic root of 13203625 is about 236.3547821455.
Adding to 13203625 its reverse (52630231), we get a palindrome (65833856).
The spelling of 13203625 in words is "thirteen million, two hundred three thousand, six hundred twenty-five".
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