Base | Representation |
---|---|
bin | 1001100100100… |
… | …11000010001100 |
3 | 12121002100200220 |
4 | 10302103002030 |
5 | 131023402103 |
6 | 11544551340 |
7 | 1663326243 |
oct | 462230214 |
9 | 177070626 |
10 | 80294028 |
11 | 41362101 |
12 | 22a82550 |
13 | 13834179 |
14 | a94195a |
15 | 70b0c53 |
hex | 4c9308c |
80294028 has 12 divisors (see below), whose sum is σ = 187352760. Its totient is φ = 26764672.
The previous prime is 80294021. The next prime is 80294047. The reversal of 80294028 is 82049208.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 80294028.
It is not an unprimeable number, because it can be changed into a prime (80294021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345573 + ... + 3345596.
It is an arithmetic number, because the mean of its divisors is an integer number (15612730).
Almost surely, 280294028 is an apocalyptic number.
It is an amenable number.
80294028 is an abundant number, since it is smaller than the sum of its proper divisors (107058732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80294028 is a wasteful number, since it uses less digits than its factorization.
80294028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6691176 (or 6691174 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 80294028 is about 8960.6934999474. The cubic root of 80294028 is about 431.4141793700.
It can be divided in two parts, 802 and 94028, that added together give a triangular number (94830 = T435).
The spelling of 80294028 in words is "eighty million, two hundred ninety-four thousand, twenty-eight".
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