Base | Representation |
---|---|
bin | 1001100100100… |
… | …01010101100010 |
3 | 12121002000011100 |
4 | 10302101111202 |
5 | 131023141244 |
6 | 11544455230 |
7 | 1663300050 |
oct | 462212542 |
9 | 177060140 |
10 | 80287074 |
11 | 4135795a |
12 | 22a7a516 |
13 | 13830c5a |
14 | a93d1d0 |
15 | 70adb69 |
hex | 4c91562 |
80287074 has 24 divisors (see below), whose sum is σ = 198806400. Its totient is φ = 22939128.
The previous prime is 80287033. The next prime is 80287091. The reversal of 80287074 is 47078208.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 318474 + ... + 318725.
It is an arithmetic number, because the mean of its divisors is an integer number (8283600).
Almost surely, 280287074 is an apocalyptic number.
80287074 is an abundant number, since it is smaller than the sum of its proper divisors (118519326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80287074 is a wasteful number, since it uses less digits than its factorization.
80287074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 637214 (or 637211 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 80287074 is about 8960.3054635431. The cubic root of 80287074 is about 431.4017245590.
The spelling of 80287074 in words is "eighty million, two hundred eighty-seven thousand, seventy-four".
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