Base | Representation |
---|---|
bin | 1001100011101… |
… | …01000100010010 |
3 | 12120212010022202 |
4 | 10301311010102 |
5 | 131010440112 |
6 | 11542203202 |
7 | 1662305342 |
oct | 461650422 |
9 | 176763282 |
10 | 80171282 |
11 | 41288964 |
12 | 22a23502 |
13 | 137c0339 |
14 | a90cd22 |
15 | 70896c2 |
hex | 4c75112 |
80171282 has 8 divisors (see below), whose sum is σ = 120373452. Its totient is φ = 40046800.
The previous prime is 80171281. The next prime is 80171321. The reversal of 80171282 is 28217108.
It can be written as a sum of positive squares in 2 ways, for example, as 74839801 + 5331481 = 8651^2 + 2309^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (80171281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16769 + ... + 21012.
Almost surely, 280171282 is an apocalyptic number.
80171282 is a deficient number, since it is larger than the sum of its proper divisors (40202170).
80171282 is a wasteful number, since it uses less digits than its factorization.
80171282 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38844.
The product of its (nonzero) digits is 1792, while the sum is 29.
The square root of 80171282 is about 8953.8417453069. The cubic root of 80171282 is about 431.1942320380.
The spelling of 80171282 in words is "eighty million, one hundred seventy-one thousand, two hundred eighty-two".
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