Base | Representation |
---|---|
bin | 1000010011101011101 |
3 | 111211102021 |
4 | 1002131131 |
5 | 32202341 |
6 | 5500141 |
7 | 2212435 |
oct | 1023535 |
9 | 454367 |
10 | 272221 |
11 | 176584 |
12 | 111651 |
13 | 96ba1 |
14 | 712c5 |
15 | 559d1 |
hex | 4275d |
272221 has 8 divisors (see below), whose sum is σ = 293760. Its totient is φ = 251328.
The previous prime is 272203. The next prime is 272227. The reversal of 272221 is 122272.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 272221 - 25 = 272189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 272195 and 272204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272227) 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, 1020 + ... + 1258.
It is an arithmetic number, because the mean of its divisors is an integer number (36720).
2272221 is an apocalyptic number.
It is an amenable number.
272221 is a deficient number, since it is larger than the sum of its proper divisors (21539).
272221 is a wasteful number, since it uses less digits than its factorization.
272221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 323.
The product of its digits is 112, while the sum is 16.
The square root of 272221 is about 521.7480234749. The cubic root of 272221 is about 64.8097791724.
Adding to 272221 its reverse (122272), we get a palindrome (394493).
The spelling of 272221 in words is "two hundred seventy-two thousand, two hundred twenty-one", and thus it is an iban number.
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