Base | Representation |
---|---|
bin | 110101100101… |
… | …0011110111100 |
3 | 1221212020110100 |
4 | 1223022132330 |
5 | 24142423343 |
6 | 2442041100 |
7 | 460531614 |
oct | 153123674 |
9 | 57766410 |
10 | 28092348 |
11 | 14948219 |
12 | 94a9190 |
13 | 5a878bb |
14 | 3a33a44 |
15 | 26ed9d3 |
hex | 1aca7bc |
28092348 has 18 divisors (see below), whose sum is σ = 71011304. Its totient is φ = 9364104.
The previous prime is 28092343. The next prime is 28092349. The reversal of 28092348 is 84329082.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 780343 = 28092348 / (2 + 8 + 0 + 9 + 2 + 3 + 4 + 8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28092341) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 390136 + ... + 390207.
Almost surely, 228092348 is an apocalyptic number.
It is an amenable number.
28092348 is an abundant number, since it is smaller than the sum of its proper divisors (42918956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28092348 is a wasteful number, since it uses less digits than its factorization.
28092348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 780353 (or 780348 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The square root of 28092348 is about 5300.2215048052. The cubic root of 28092348 is about 303.9923676523.
The spelling of 28092348 in words is "twenty-eight million, ninety-two thousand, three hundred forty-eight".
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