Base | Representation |
---|---|
bin | 10011100100010… |
… | …01000100010010 |
3 | 102102212010202200 |
4 | 21302021010102 |
5 | 314004424112 |
6 | 24142024030 |
7 | 4032106116 |
oct | 1162110422 |
9 | 372763680 |
10 | 164139282 |
11 | 8471a2aa |
12 | 46b78016 |
13 | 2800c848 |
14 | 17b29746 |
15 | e623cdc |
hex | 9c89112 |
164139282 has 24 divisors (see below), whose sum is σ = 356618496. Its totient is φ = 54561816.
The previous prime is 164139281. The next prime is 164139317. The reversal of 164139282 is 282931461.
164139282 is a `hidden beast` number, since 1 + 641 + 3 + 9 + 2 + 8 + 2 = 666.
It is not an unprimeable number, because it can be changed into a prime (164139281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5818 + ... + 19029.
It is an arithmetic number, because the mean of its divisors is an integer number (14859104).
Almost surely, 2164139282 is an apocalyptic number.
164139282 is an abundant number, since it is smaller than the sum of its proper divisors (192479214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164139282 is a wasteful number, since it uses less digits than its factorization.
164139282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25222 (or 25219 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 164139282 is about 12811.6853692245. The cubic root of 164139282 is about 547.5252806241.
The spelling of 164139282 in words is "one hundred sixty-four million, one hundred thirty-nine thousand, two hundred eighty-two".
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