Base | Representation |
---|---|
bin | 11011001111111… |
… | …11110111101101 |
3 | 120221010112012122 |
4 | 31213333313231 |
5 | 432004322122 |
6 | 34403242325 |
7 | 5443655225 |
oct | 1547776755 |
9 | 527115178 |
10 | 228589037 |
11 | 10803a366 |
12 | 646793a5 |
13 | 38486cb1 |
14 | 22505085 |
15 | 15105142 |
hex | d9ffded |
228589037 has 2 divisors, whose sum is σ = 228589038. Its totient is φ = 228589036.
The previous prime is 228588977. The next prime is 228589051. The reversal of 228589037 is 730985822.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 220403716 + 8185321 = 14846^2 + 2861^2 .
It is a cyclic number.
It is not a de Polignac number, because 228589037 - 28 = 228588781 is a prime.
It is a super-3 number, since 3×2285890373 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228519037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114294518 + 114294519.
It is an arithmetic number, because the mean of its divisors is an integer number (114294519).
Almost surely, 2228589037 is an apocalyptic number.
It is an amenable number.
228589037 is a deficient number, since it is larger than the sum of its proper divisors (1).
228589037 is an equidigital number, since it uses as much as digits as its factorization.
228589037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 241920, while the sum is 44.
The square root of 228589037 is about 15119.1612531913. The cubic root of 228589037 is about 611.4371177277.
The spelling of 228589037 in words is "two hundred twenty-eight million, five hundred eighty-nine thousand, thirty-seven".
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