Base | Representation |
---|---|
bin | 100010010110000001101 |
3 | 2010011202002 |
4 | 10102300031 |
5 | 242003024 |
6 | 40042045 |
7 | 12365006 |
oct | 4226015 |
9 | 2104662 |
10 | 1125389 |
11 | 6a9581 |
12 | 463325 |
13 | 305315 |
14 | 2141ad |
15 | 1736ae |
hex | 112c0d |
1125389 has 8 divisors (see below), whose sum is σ = 1205280. Its totient is φ = 1047600.
The previous prime is 1125379. The next prime is 1125391. The reversal of 1125389 is 9835211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1125389 - 212 = 1121293 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1125329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 1644.
It is an arithmetic number, because the mean of its divisors is an integer number (150660).
21125389 is an apocalyptic number.
1125389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1125389 is a deficient number, since it is larger than the sum of its proper divisors (79891).
1125389 is an equidigital number, since it uses as much as digits as its factorization.
1125389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1051.
The product of its digits is 2160, while the sum is 29.
The square root of 1125389 is about 1060.8435322893. The cubic root of 1125389 is about 104.0161772172.
The spelling of 1125389 in words is "one million, one hundred twenty-five thousand, three hundred eighty-nine".
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