Base | Representation |
---|---|
bin | 100111000100… |
… | …100010101001 |
3 | 201021100200101 |
4 | 213010202221 |
5 | 10110222332 |
6 | 1003305401 |
7 | 153025456 |
oct | 47044251 |
9 | 21240611 |
10 | 10242217 |
11 | 5866147 |
12 | 351b261 |
13 | 2177bab |
14 | 150882d |
15 | d74ae7 |
hex | 9c48a9 |
10242217 has 4 divisors (see below), whose sum is σ = 10341760. Its totient is φ = 10142676.
The previous prime is 10242187. The next prime is 10242233. The reversal of 10242217 is 71224201.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71224201 = 227 ⋅313763.
It is a cyclic number.
It is not a de Polignac number, because 10242217 - 211 = 10240169 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10242194 and 10242203.
It is not an unprimeable number, because it can be changed into a prime (10252217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49617 + ... + 49822.
It is an arithmetic number, because the mean of its divisors is an integer number (2585440).
Almost surely, 210242217 is an apocalyptic number.
It is an amenable number.
10242217 is a deficient number, since it is larger than the sum of its proper divisors (99543).
10242217 is an equidigital number, since it uses as much as digits as its factorization.
10242217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99542.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 10242217 is about 3200.3463875025. The cubic root of 10242217 is about 217.1690797172.
Adding to 10242217 its reverse (71224201), we get a palindrome (81466418).
The spelling of 10242217 in words is "ten million, two hundred forty-two thousand, two hundred seventeen".
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