Base | Representation |
---|---|
bin | 1001100101001… |
… | …11111111100011 |
3 | 12121020201110102 |
4 | 10302213333203 |
5 | 131034124000 |
6 | 11550453015 |
7 | 1664134442 |
oct | 462477743 |
9 | 177221412 |
10 | 80379875 |
11 | 41410654 |
12 | 22b0416b |
13 | 13864274 |
14 | a964d59 |
15 | 70cb3d5 |
hex | 4ca7fe3 |
80379875 has 8 divisors (see below), whose sum is σ = 100314240. Its totient is φ = 64303800.
The previous prime is 80379863. The next prime is 80379877. The reversal of 80379875 is 57897308.
It is not a de Polignac number, because 80379875 - 26 = 80379811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80379877) 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 7 ways as a sum of consecutive naturals, for example, 321395 + ... + 321644.
It is an arithmetic number, because the mean of its divisors is an integer number (12539280).
Almost surely, 280379875 is an apocalyptic number.
80379875 is a deficient number, since it is larger than the sum of its proper divisors (19934365).
80379875 is an equidigital number, since it uses as much as digits as its factorization.
80379875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643054 (or 643044 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 47.
The square root of 80379875 is about 8965.4824186990. The cubic root of 80379875 is about 431.5678745776.
The spelling of 80379875 in words is "eighty million, three hundred seventy-nine thousand, eight hundred seventy-five".
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