Base | Representation |
---|---|
bin | 1011111011001001100101 |
3 | 12212210212122 |
4 | 23323021211 |
5 | 1300011421 |
6 | 150555325 |
7 | 35366204 |
oct | 13731145 |
9 | 5783778 |
10 | 3125861 |
11 | 1845562 |
12 | 1068b45 |
13 | 855a2b |
14 | 5b523b |
15 | 41b2ab |
hex | 2fb265 |
3125861 has 12 divisors (see below), whose sum is σ = 3450720. Its totient is φ = 2823480.
The previous prime is 3125839. The next prime is 3125867. The reversal of 3125861 is 1685213.
It is a de Polignac number, because none of the positive numbers 2k-3125861 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 3125861.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3125867) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9896 + ... + 10206.
It is an arithmetic number, because the mean of its divisors is an integer number (287560).
Almost surely, 23125861 is an apocalyptic number.
It is an amenable number.
3125861 is a deficient number, since it is larger than the sum of its proper divisors (324859).
3125861 is a wasteful number, since it uses less digits than its factorization.
3125861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376 (or 353 counting only the distinct ones).
The product of its digits is 1440, while the sum is 26.
The square root of 3125861 is about 1768.0104637699. The cubic root of 3125861 is about 146.2143127671.
The spelling of 3125861 in words is "three million, one hundred twenty-five thousand, eight hundred sixty-one".
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