Base | Representation |
---|---|
bin | 11011001011101… |
… | …10010001110011 |
3 | 120220001220010101 |
4 | 31211312101303 |
5 | 431333303314 |
6 | 34343213231 |
7 | 5436120154 |
oct | 1545662163 |
9 | 526056111 |
10 | 228025459 |
11 | 1077949a2 |
12 | 64447217 |
13 | 3831a60c |
14 | 223d992b |
15 | 15043174 |
hex | d976473 |
228025459 has 2 divisors, whose sum is σ = 228025460. Its totient is φ = 228025458.
The previous prime is 228025439. The next prime is 228025481. The reversal of 228025459 is 954520822.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 228025459 - 27 = 228025331 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (228025409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114012729 + 114012730.
It is an arithmetic number, because the mean of its divisors is an integer number (114012730).
Almost surely, 2228025459 is an apocalyptic number.
228025459 is a deficient number, since it is larger than the sum of its proper divisors (1).
228025459 is an equidigital number, since it uses as much as digits as its factorization.
228025459 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 228025459 is about 15100.5118787411. The cubic root of 228025459 is about 610.9342121722.
It can be divided in two parts, 228025 and 459, that added together give a square (228484 = 4782).
The spelling of 228025459 in words is "two hundred twenty-eight million, twenty-five thousand, four hundred fifty-nine".
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