Base | Representation |
---|---|
bin | 1111110000011… |
… | …00101010110111 |
3 | 100012201001112201 |
4 | 13320030222313 |
5 | 232314004341 |
6 | 21040525331 |
7 | 3163306324 |
oct | 770145267 |
9 | 305631481 |
10 | 132172471 |
11 | 68676152 |
12 | 38320847 |
13 | 214c9582 |
14 | 137a7b4b |
15 | b90c331 |
hex | 7e0cab7 |
132172471 has 2 divisors, whose sum is σ = 132172472. Its totient is φ = 132172470.
The previous prime is 132172463. The next prime is 132172477. The reversal of 132172471 is 174271231.
It is a strong prime.
It is an emirp because it is prime and its reverse (174271231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 132172471 - 23 = 132172463 is a prime.
It is a super-3 number, since 3×1321724713 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (132172477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66086235 + 66086236.
It is an arithmetic number, because the mean of its divisors is an integer number (66086236).
Almost surely, 2132172471 is an apocalyptic number.
132172471 is a deficient number, since it is larger than the sum of its proper divisors (1).
132172471 is an equidigital number, since it uses as much as digits as its factorization.
132172471 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2352, while the sum is 28.
The square root of 132172471 is about 11496.6286797478. The cubic root of 132172471 is about 509.3859982369.
The spelling of 132172471 in words is "one hundred thirty-two million, one hundred seventy-two thousand, four hundred seventy-one".
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