Base | Representation |
---|---|
bin | 11011000101000… |
… | …11001111101101 |
3 | 120211102222101221 |
4 | 31202203033231 |
5 | 431123123234 |
6 | 34312503341 |
7 | 5425560112 |
oct | 1542431755 |
9 | 524388357 |
10 | 227161069 |
11 | 107254523 |
12 | 640aab51 |
13 | 380a7045 |
14 | 22252909 |
15 | 14e21eb4 |
hex | d8a33ed |
227161069 has 4 divisors (see below), whose sum is σ = 227509596. Its totient is φ = 226812544.
The previous prime is 227161063. The next prime is 227161073. The reversal of 227161069 is 960161722.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 49871844 + 177289225 = 7062^2 + 13315^2 .
It is a cyclic number.
It is not a de Polignac number, because 227161069 - 23 = 227161061 is a prime.
It is a super-2 number, since 2×2271610692 = 103204302538445522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227161061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173284 + ... + 174589.
It is an arithmetic number, because the mean of its divisors is an integer number (56877399).
Almost surely, 2227161069 is an apocalyptic number.
It is an amenable number.
227161069 is a deficient number, since it is larger than the sum of its proper divisors (348527).
227161069 is an equidigital number, since it uses as much as digits as its factorization.
227161069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348526.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 227161069 is about 15071.8634879699. The cubic root of 227161069 is about 610.1612661502.
The spelling of 227161069 in words is "two hundred twenty-seven million, one hundred sixty-one thousand, sixty-nine".
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