Base | Representation |
---|---|
bin | 1001100100100… |
… | …10011110011100 |
3 | 12121002020120011 |
4 | 10302102132130 |
5 | 131023313430 |
6 | 11544533004 |
7 | 1663316464 |
oct | 462223634 |
9 | 177066504 |
10 | 80291740 |
11 | 41360411 |
12 | 22a81164 |
13 | 13833109 |
14 | a940ba4 |
15 | 70b022a |
hex | 4c9279c |
80291740 has 12 divisors (see below), whose sum is σ = 168612696. Its totient is φ = 32116688.
The previous prime is 80291723. The next prime is 80291747. The reversal of 80291740 is 4719208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80291747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007274 + ... + 2007313.
It is an arithmetic number, because the mean of its divisors is an integer number (14051058).
Almost surely, 280291740 is an apocalyptic number.
It is an amenable number.
80291740 is an abundant number, since it is smaller than the sum of its proper divisors (88320956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80291740 is a wasteful number, since it uses less digits than its factorization.
80291740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4014596 (or 4014594 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 80291740 is about 8960.5658303480. The cubic root of 80291740 is about 431.4100815766.
The spelling of 80291740 in words is "eighty million, two hundred ninety-one thousand, seven hundred forty".
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