Base | Representation |
---|---|
bin | 100101001111000100101 |
3 | 2021222201010 |
4 | 10221320211 |
5 | 303021013 |
6 | 42052433 |
7 | 13241145 |
oct | 4517045 |
9 | 2258633 |
10 | 1220133 |
11 | 763782 |
12 | 4aa119 |
13 | 339495 |
14 | 23a925 |
15 | 1917c3 |
hex | 129e25 |
1220133 has 8 divisors (see below), whose sum is σ = 1633248. Its totient is φ = 810224.
The previous prime is 1220099. The next prime is 1220147. The reversal of 1220133 is 3310221.
It is a happy number.
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 1220133 - 28 = 1219877 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 (1220333) 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, 310 + ... + 1592.
It is an arithmetic number, because the mean of its divisors is an integer number (204156).
21220133 is an apocalyptic number.
It is an amenable number.
1220133 is a deficient number, since it is larger than the sum of its proper divisors (413115).
1220133 is a wasteful number, since it uses less digits than its factorization.
1220133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1603.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1220133 is about 1104.5963063491. The cubic root of 1220133 is about 106.8568557824.
Adding to 1220133 its reverse (3310221), we get a palindrome (4530354).
The spelling of 1220133 in words is "one million, two hundred twenty thousand, one hundred thirty-three".
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