Base | Representation |
---|---|
bin | 11011101101111110101111 |
3 | 111200011101101 |
4 | 123231332233 |
5 | 3330004343 |
6 | 415423531 |
7 | 115522216 |
oct | 33557657 |
9 | 14604341 |
10 | 7266223 |
11 | 4113248 |
12 | 2524ba7 |
13 | 1675453 |
14 | d7207d |
15 | 987e4d |
hex | 6edfaf |
7266223 has 2 divisors, whose sum is σ = 7266224. Its totient is φ = 7266222.
The previous prime is 7266221. The next prime is 7266251. The reversal of 7266223 is 3226627.
It is an a-pointer prime, because the next prime (7266251) can be obtained adding 7266223 to its sum of digits (28).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 7266223 - 21 = 7266221 is a prime.
Together with 7266221, it forms a pair of twin primes.
It is equal to p493525 and since 7266223 and 493525 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 7266191 and 7266200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7266221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633111 + 3633112.
It is an arithmetic number, because the mean of its divisors is an integer number (3633112).
Almost surely, 27266223 is an apocalyptic number.
7266223 is a deficient number, since it is larger than the sum of its proper divisors (1).
7266223 is an equidigital number, since it uses as much as digits as its factorization.
7266223 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6048, while the sum is 28.
The square root of 7266223 is about 2695.5932556675. The cubic root of 7266223 is about 193.6880859403.
The spelling of 7266223 in words is "seven million, two hundred sixty-six thousand, two hundred twenty-three".
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