Base | Representation |
---|---|
bin | 11010110100101… |
… | …01000001010101 |
3 | 120200101110201201 |
4 | 31122111001111 |
5 | 430100140103 |
6 | 34154352501 |
7 | 5401342105 |
oct | 1532250125 |
9 | 520343651 |
10 | 225005653 |
11 | 106012094 |
12 | 6342b731 |
13 | 37800c52 |
14 | 21c51205 |
15 | 14b4851d |
hex | d695055 |
225005653 has 2 divisors, whose sum is σ = 225005654. Its totient is φ = 225005652.
The previous prime is 225005647. The next prime is 225005707. The reversal of 225005653 is 356500522.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 179077924 + 45927729 = 13382^2 + 6777^2 .
It is a cyclic number.
It is not a de Polignac number, because 225005653 - 29 = 225005141 is a prime.
It is equal to p12383173 and since 225005653 and 12383173 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (225005623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112502826 + 112502827.
It is an arithmetic number, because the mean of its divisors is an integer number (112502827).
Almost surely, 2225005653 is an apocalyptic number.
It is an amenable number.
225005653 is a deficient number, since it is larger than the sum of its proper divisors (1).
225005653 is an equidigital number, since it uses as much as digits as its factorization.
225005653 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9000, while the sum is 28.
The square root of 225005653 is about 15000.1884321498. The cubic root of 225005653 is about 608.2252932462.
The spelling of 225005653 in words is "two hundred twenty-five million, five thousand, six hundred fifty-three".
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