Base | Representation |
---|---|
bin | 10011100011100… |
… | …001110111100111 |
3 | 211212100020100101 |
4 | 103203201313213 |
5 | 1132442041441 |
6 | 52315524531 |
7 | 11062432666 |
oct | 2343416747 |
9 | 755306311 |
10 | 328080871 |
11 | 159214018 |
12 | 91a59747 |
13 | 52c803c1 |
14 | 31802ddd |
15 | 1dc09231 |
hex | 138e1de7 |
328080871 has 4 divisors (see below), whose sum is σ = 330253744. Its totient is φ = 325908000.
The previous prime is 328080839. The next prime is 328080881. The reversal of 328080871 is 178080823.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178080823 = 139 ⋅1281157.
It is a cyclic number.
It is not a de Polignac number, because 328080871 - 25 = 328080839 is a prime.
It is a super-2 number, since 2×3280808712 = 215274115832237282, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 328080871.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (328080881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086210 + ... + 1086511.
It is an arithmetic number, because the mean of its divisors is an integer number (82563436).
Almost surely, 2328080871 is an apocalyptic number.
328080871 is a deficient number, since it is larger than the sum of its proper divisors (2172873).
328080871 is a wasteful number, since it uses less digits than its factorization.
328080871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2172872.
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 328080871 is about 18113.0028156570. The cubic root of 328080871 is about 689.7001224386.
The spelling of 328080871 in words is "three hundred twenty-eight million, eighty thousand, eight hundred seventy-one".
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