Base | Representation |
---|---|
bin | 110110101001… |
… | …1100111101111 |
3 | 1222220202222121 |
4 | 1231103213233 |
5 | 24313412223 |
6 | 2502053411 |
7 | 465361354 |
oct | 155234757 |
9 | 58822877 |
10 | 28654063 |
11 | 151a1249 |
12 | 971a267 |
13 | 5c23489 |
14 | 3b3c62b |
15 | 27b015d |
hex | 1b539ef |
28654063 has 4 divisors (see below), whose sum is σ = 28672920. Its totient is φ = 28635208.
The previous prime is 28654051. The next prime is 28654081. The reversal of 28654063 is 36045682.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28654063 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 (28654463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6928 + ... + 10261.
It is an arithmetic number, because the mean of its divisors is an integer number (7168230).
Almost surely, 228654063 is an apocalyptic number.
28654063 is a deficient number, since it is larger than the sum of its proper divisors (18857).
28654063 is a wasteful number, since it uses less digits than its factorization.
28654063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18856.
The product of its (nonzero) digits is 34560, while the sum is 34.
The square root of 28654063 is about 5352.9490003175. The cubic root of 28654063 is about 306.0051510660.
The spelling of 28654063 in words is "twenty-eight million, six hundred fifty-four thousand, sixty-three".
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