Base | Representation |
---|---|
bin | 110110101100… |
… | …1000011000101 |
3 | 1222221220110221 |
4 | 1231121003011 |
5 | 24320120133 |
6 | 2502344341 |
7 | 465513232 |
oct | 155310305 |
9 | 58856427 |
10 | 28676293 |
11 | 15206a18 |
12 | 972b0b1 |
13 | 5c30629 |
14 | 3b46789 |
15 | 27b6a2d |
hex | 1b590c5 |
28676293 has 8 divisors (see below), whose sum is σ = 29018880. Its totient is φ = 28335840.
The previous prime is 28676287. The next prime is 28676299. The reversal of 28676293 is 39267682.
It is an interprime number because it is at equal distance from previous prime (28676287) and next prime (28676299).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28676293 - 217 = 28545221 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 (28676299) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59628 + ... + 60106.
It is an arithmetic number, because the mean of its divisors is an integer number (3627360).
Almost surely, 228676293 is an apocalyptic number.
It is an amenable number.
28676293 is a deficient number, since it is larger than the sum of its proper divisors (342587).
28676293 is a wasteful number, since it uses less digits than its factorization.
28676293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1067.
The product of its digits is 217728, while the sum is 43.
The square root of 28676293 is about 5355.0250232842. The cubic root of 28676293 is about 306.0842641761.
The spelling of 28676293 in words is "twenty-eight million, six hundred seventy-six thousand, two hundred ninety-three".
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