Base | Representation |
---|---|
bin | 1011111110110011011001 |
3 | 12220120101212 |
4 | 23332303121 |
5 | 1301001300 |
6 | 151152505 |
7 | 35460632 |
oct | 13766331 |
9 | 5816355 |
10 | 3140825 |
11 | 1855826 |
12 | 1075735 |
13 | 85c79c |
14 | 5ba889 |
15 | 420935 |
hex | 2fecd9 |
3140825 has 12 divisors (see below), whose sum is σ = 3950268. Its totient is φ = 2476800.
The previous prime is 3140821. The next prime is 3140843. The reversal of 3140825 is 5280413.
It can be written as a sum of positive squares in 6 ways, for example, as 841 + 3139984 = 29^2 + 1772^2 .
It is not a de Polignac number, because 3140825 - 22 = 3140821 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3140825.
It is not an unprimeable number, because it can be changed into a prime (3140821) 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, 965 + ... + 2685.
It is an arithmetic number, because the mean of its divisors is an integer number (329189).
Almost surely, 23140825 is an apocalyptic number.
It is an amenable number.
3140825 is a deficient number, since it is larger than the sum of its proper divisors (809443).
3140825 is a wasteful number, since it uses less digits than its factorization.
3140825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1804 (or 1799 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 3140825 is about 1772.2372865957. The cubic root of 3140825 is about 146.4472585992.
The spelling of 3140825 in words is "three million, one hundred forty thousand, eight hundred twenty-five".
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