Base | Representation |
---|---|
bin | 1000000111000001001010 |
3 | 11000000011222 |
4 | 20013001022 |
5 | 1021012043 |
6 | 113322042 |
7 | 24032645 |
oct | 10070112 |
9 | 4000158 |
10 | 2125898 |
11 | 1222245 |
12 | 866322 |
13 | 595838 |
14 | 3d4a5c |
15 | 2bed68 |
hex | 20704a |
2125898 has 4 divisors (see below), whose sum is σ = 3188850. Its totient is φ = 1062948.
The previous prime is 2125889. The next prime is 2125919. The reversal of 2125898 is 8985212.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 1481089 + 644809 = 1217^2 + 803^2 .
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 11.
It is a nialpdrome in base 12.
It is a zygodrome in base 3.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is an upside-down number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531473 + ... + 531476.
22125898 is an apocalyptic number.
2125898 is a deficient number, since it is larger than the sum of its proper divisors (1062952).
2125898 is a wasteful number, since it uses less digits than its factorization.
2125898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1062951.
The product of its digits is 11520, while the sum is 35.
The square root of 2125898 is about 1458.0459526366. The cubic root of 2125898 is about 128.5821868717.
The spelling of 2125898 in words is "two million, one hundred twenty-five thousand, eight hundred ninety-eight".
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