Base | Representation |
---|---|
bin | 100101000011100010001 |
3 | 2021200121022 |
4 | 10220130101 |
5 | 302323400 |
6 | 42005225 |
7 | 13215005 |
oct | 4503421 |
9 | 2250538 |
10 | 1214225 |
11 | 75a2a1 |
12 | 4a6815 |
13 | 33689c |
14 | 238705 |
15 | 18eb85 |
hex | 128711 |
1214225 has 12 divisors (see below), whose sum is σ = 1594764. Its totient is φ = 913920.
The previous prime is 1214221. The next prime is 1214237. The reversal of 1214225 is 5224121.
It can be written as a sum of positive squares in 6 ways, for example, as 10816 + 1203409 = 104^2 + 1097^2 .
It is not a de Polignac number, because 1214225 - 22 = 1214221 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (1214221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004 + ... + 1853.
It is an arithmetic number, because the mean of its divisors is an integer number (132897).
21214225 is an apocalyptic number.
It is an amenable number.
1214225 is a deficient number, since it is larger than the sum of its proper divisors (380539).
1214225 is a wasteful number, since it uses less digits than its factorization.
1214225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2884 (or 2879 counting only the distinct ones).
The product of its digits is 160, while the sum is 17.
The square root of 1214225 is about 1101.9187810361. The cubic root of 1214225 is about 106.6841063065.
Adding to 1214225 its reverse (5224121), we get a palindrome (6438346).
It can be divided in two parts, 12142 and 25, that added together give a cube (12167 = 233).
The spelling of 1214225 in words is "one million, two hundred fourteen thousand, two hundred twenty-five".
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