Base | Representation |
---|---|
bin | 1000000000111… |
… | …01001001010101 |
3 | 11200111112211000 |
4 | 10000131021111 |
5 | 114202300440 |
6 | 10400533513 |
7 | 1444300500 |
oct | 400351125 |
9 | 150445730 |
10 | 67228245 |
11 | 34a48637 |
12 | 1a621299 |
13 | 10c0b036 |
14 | 8d00137 |
15 | 5d7e730 |
hex | 401d255 |
67228245 has 48 divisors (see below), whose sum is σ = 139043520. Its totient is φ = 30729888.
The previous prime is 67228237. The next prime is 67228247. The reversal of 67228245 is 54282276.
It is not a de Polignac number, because 67228245 - 23 = 67228237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67228247) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1534 + ... + 11696.
It is an arithmetic number, because the mean of its divisors is an integer number (2896740).
Almost surely, 267228245 is an apocalyptic number.
It is an amenable number.
67228245 is an abundant number, since it is smaller than the sum of its proper divisors (71815275).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67228245 is a wasteful number, since it uses less digits than its factorization.
67228245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10191 (or 10178 counting only the distinct ones).
The product of its digits is 53760, while the sum is 36.
The square root of 67228245 is about 8199.2832003779. The cubic root of 67228245 is about 406.6154952932.
The spelling of 67228245 in words is "sixty-seven million, two hundred twenty-eight thousand, two hundred forty-five".
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