Base | Representation |
---|---|
bin | 110101100001… |
… | …0101100000111 |
3 | 1221210121122221 |
4 | 1223002230013 |
5 | 24140413143 |
6 | 2441233211 |
7 | 460336546 |
oct | 153025407 |
9 | 57717587 |
10 | 28060423 |
11 | 14926236 |
12 | 9492807 |
13 | 5a76201 |
14 | 3a2615d |
15 | 26e42ed |
hex | 1ac2b07 |
28060423 has 4 divisors (see below), whose sum is σ = 28181088. Its totient is φ = 27939760.
The previous prime is 28060411. The next prime is 28060433. The reversal of 28060423 is 32406082.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28060423 - 213 = 28052231 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28060433) 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, 59983 + ... + 60448.
It is an arithmetic number, because the mean of its divisors is an integer number (7045272).
Almost surely, 228060423 is an apocalyptic number.
28060423 is a deficient number, since it is larger than the sum of its proper divisors (120665).
28060423 is a wasteful number, since it uses less digits than its factorization.
28060423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120664.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 28060423 is about 5297.2089820961. The cubic root of 28060423 is about 303.8771686072.
The spelling of 28060423 in words is "twenty-eight million, sixty thousand, four hundred twenty-three".
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