Base | Representation |
---|---|
bin | 1010101110100011011101 |
3 | 12021212111210 |
4 | 22232203131 |
5 | 1204442000 |
6 | 140135033 |
7 | 32621421 |
oct | 12564335 |
9 | 5255453 |
10 | 2812125 |
11 | 1650878 |
12 | b37479 |
13 | 775ca4 |
14 | 532b81 |
15 | 3a8350 |
hex | 2ae8dd |
2812125 has 16 divisors (see below), whose sum is σ = 4680000. Its totient is φ = 1499600.
The previous prime is 2812099. The next prime is 2812129. The reversal of 2812125 is 5212182.
It is a happy number.
It is not a de Polignac number, because 2812125 - 211 = 2810077 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2812129) 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 15 ways as a sum of consecutive naturals, for example, 3375 + ... + 4124.
It is an arithmetic number, because the mean of its divisors is an integer number (292500).
22812125 is an apocalyptic number.
2812125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2812125 is a deficient number, since it is larger than the sum of its proper divisors (1867875).
2812125 is an equidigital number, since it uses as much as digits as its factorization.
2812125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7517 (or 7507 counting only the distinct ones).
The product of its digits is 320, while the sum is 21.
The square root of 2812125 is about 1676.9391759989. The cubic root of 2812125 is about 141.1491304798.
The spelling of 2812125 in words is "two million, eight hundred twelve thousand, one hundred twenty-five".
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