Base | Representation |
---|---|
bin | 100110110101… |
… | …110011000001 |
3 | 201011021211122 |
4 | 212311303001 |
5 | 10101304300 |
6 | 1002122025 |
7 | 152354423 |
oct | 46656301 |
9 | 21137748 |
10 | 10181825 |
11 | 5824835 |
12 | 34b0315 |
13 | 2156564 |
14 | 14d0813 |
15 | d61c85 |
hex | 9b5cc1 |
10181825 has 6 divisors (see below), whose sum is σ = 12625494. Its totient is φ = 8145440.
The previous prime is 10181803. The next prime is 10181837. The reversal of 10181825 is 52818101.
10181825 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 3 ways, for example, as 341056 + 9840769 = 584^2 + 3137^2 .
It is not a de Polignac number, because 10181825 - 26 = 10181761 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10181794 and 10181803.
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, 203612 + ... + 203661.
It is an arithmetic number, because the mean of its divisors is an integer number (2104249).
Almost surely, 210181825 is an apocalyptic number.
It is an amenable number.
10181825 is a deficient number, since it is larger than the sum of its proper divisors (2443669).
10181825 is an equidigital number, since it uses as much as digits as its factorization.
10181825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407283 (or 407278 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 26.
The square root of 10181825 is about 3190.8972092501. The cubic root of 10181825 is about 216.7414009121.
Adding to 10181825 its reverse (52818101), we get a palindrome (62999926).
The spelling of 10181825 in words is "ten million, one hundred eighty-one thousand, eight hundred twenty-five".
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