Base | Representation |
---|---|
bin | 110110101100… |
… | …0011100101011 |
3 | 1222221210002220 |
4 | 1231120130223 |
5 | 24320030320 |
6 | 2502325123 |
7 | 465503121 |
oct | 155303453 |
9 | 58853086 |
10 | 28673835 |
11 | 15205093 |
12 | 97297a3 |
13 | 5c2c488 |
14 | 3b45911 |
15 | 27b5e40 |
hex | 1b5872b |
28673835 has 8 divisors (see below), whose sum is σ = 45878160. Its totient is φ = 15292704.
The previous prime is 28673833. The next prime is 28673851. The reversal of 28673835 is 53837682.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28673835 - 21 = 28673833 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (28673833) 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, 955780 + ... + 955809.
It is an arithmetic number, because the mean of its divisors is an integer number (5734770).
Almost surely, 228673835 is an apocalyptic number.
28673835 is a deficient number, since it is larger than the sum of its proper divisors (17204325).
28673835 is a wasteful number, since it uses less digits than its factorization.
28673835 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1911597.
The product of its digits is 241920, while the sum is 42.
The square root of 28673835 is about 5354.7955143030. The cubic root of 28673835 is about 306.0755185476.
The spelling of 28673835 in words is "twenty-eight million, six hundred seventy-three thousand, eight hundred thirty-five".
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