Base | Representation |
---|---|
bin | 110101101111… |
… | …1101010000110 |
3 | 1222000122102120 |
4 | 1223133222012 |
5 | 24203212303 |
6 | 2443550410 |
7 | 461342514 |
oct | 153375206 |
9 | 58018376 |
10 | 28179078 |
11 | 149a73a4 |
12 | 952b406 |
13 | 5ab8215 |
14 | 3a574b4 |
15 | 2719553 |
hex | 1adfa86 |
28179078 has 8 divisors (see below), whose sum is σ = 56358168. Its totient is φ = 9393024.
The previous prime is 28179059. The next prime is 28179113. The reversal of 28179078 is 87097182.
It is a sphenic number, since it is the product of 3 distinct primes.
28179078 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348251 + ... + 2348262.
It is an arithmetic number, because the mean of its divisors is an integer number (7044771).
Almost surely, 228179078 is an apocalyptic number.
28179078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28179078 is a wasteful number, since it uses less digits than its factorization.
28179078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4696518.
The product of its (nonzero) digits is 56448, while the sum is 42.
The square root of 28179078 is about 5308.3969331616. The cubic root of 28179078 is about 304.3048865851.
The spelling of 28179078 in words is "twenty-eight million, one hundred seventy-nine thousand, seventy-eight".
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