Base | Representation |
---|---|
bin | 1000000110110110010101 |
3 | 10222222020022 |
4 | 20012312111 |
5 | 1021001310 |
6 | 113314525 |
7 | 24030635 |
oct | 10066625 |
9 | 3888208 |
10 | 2125205 |
11 | 1221775 |
12 | 865a45 |
13 | 595424 |
14 | 3d46c5 |
15 | 2bea55 |
hex | 206d95 |
2125205 has 8 divisors (see below), whose sum is σ = 2632704. Its totient is φ = 1645200.
The previous prime is 2125181. The next prime is 2125219. The reversal of 2125205 is 5025212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2125205 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701 + ... + 7010.
It is an arithmetic number, because the mean of its divisors is an integer number (329088).
22125205 is an apocalyptic number.
It is an amenable number.
2125205 is a deficient number, since it is larger than the sum of its proper divisors (507499).
2125205 is a wasteful number, since it uses less digits than its factorization.
2125205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13747.
The product of its (nonzero) digits is 200, while the sum is 17.
The square root of 2125205 is about 1457.8082864355. The cubic root of 2125205 is about 128.5682136174.
The spelling of 2125205 in words is "two million, one hundred twenty-five thousand, two hundred five".
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