Base | Representation |
---|---|
bin | 11011001000100… |
… | …01011011100101 |
3 | 120212021220111111 |
4 | 31210101123211 |
5 | 431232044024 |
6 | 34330305021 |
7 | 5432446654 |
oct | 1544213345 |
9 | 525256444 |
10 | 227612389 |
11 | 107532614 |
12 | 64288171 |
13 | 382045b4 |
14 | 2232d19b |
15 | 14eb0a94 |
hex | d9116e5 |
227612389 has 2 divisors, whose sum is σ = 227612390. Its totient is φ = 227612388.
The previous prime is 227612377. The next prime is 227612423. The reversal of 227612389 is 983216722.
227612389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 218064289 + 9548100 = 14767^2 + 3090^2 .
It is a cyclic number.
It is not a de Polignac number, because 227612389 - 213 = 227604197 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (227613389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113806194 + 113806195.
It is an arithmetic number, because the mean of its divisors is an integer number (113806195).
Almost surely, 2227612389 is an apocalyptic number.
It is an amenable number.
227612389 is a deficient number, since it is larger than the sum of its proper divisors (1).
227612389 is an equidigital number, since it uses as much as digits as its factorization.
227612389 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72576, while the sum is 40.
The square root of 227612389 is about 15086.8283280483. The cubic root of 227612389 is about 610.5650850684.
The spelling of 227612389 in words is "two hundred twenty-seven million, six hundred twelve thousand, three hundred eighty-nine".
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