Base | Representation |
---|---|
bin | 11011001100100… |
… | …11001110100101 |
3 | 120220021220210011 |
4 | 31212103032211 |
5 | 431401102122 |
6 | 34345530221 |
7 | 5440122652 |
oct | 1546231645 |
9 | 526256704 |
10 | 228144037 |
11 | 107865aa0 |
12 | 644a3971 |
13 | 3835c594 |
14 | 2242ac29 |
15 | 15068377 |
hex | d9933a5 |
228144037 has 8 divisors (see below), whose sum is σ = 249224832. Its totient is φ = 207120000.
The previous prime is 228144031. The next prime is 228144041. The reversal of 228144037 is 730441822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 228144037 - 223 = 219755429 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228144031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5548 + ... + 22069.
It is an arithmetic number, because the mean of its divisors is an integer number (31153104).
Almost surely, 2228144037 is an apocalyptic number.
It is an amenable number.
228144037 is a deficient number, since it is larger than the sum of its proper divisors (21080795).
228144037 is a wasteful number, since it uses less digits than its factorization.
228144037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28379.
The product of its (nonzero) digits is 10752, while the sum is 31.
The square root of 228144037 is about 15104.4376591782. The cubic root of 228144037 is about 611.0400933365.
Adding to 228144037 its reverse (730441822), we get a palindrome (958585859).
The spelling of 228144037 in words is "two hundred twenty-eight million, one hundred forty-four thousand, thirty-seven".
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