Base | Representation |
---|---|
bin | 110110110101… |
… | …1010010011110 |
3 | 2000002200222002 |
4 | 1231223102132 |
5 | 24330013011 |
6 | 2504122302 |
7 | 466244114 |
oct | 155532236 |
9 | 60080862 |
10 | 28751006 |
11 | 15258069 |
12 | 9766392 |
13 | 5c5863b |
14 | 3b65ab4 |
15 | 27cdc3b |
hex | 1b6b49e |
28751006 has 8 divisors (see below), whose sum is σ = 44613720. Its totient is φ = 13879768.
The previous prime is 28751003. The next prime is 28751011. The reversal of 28751006 is 60015782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a self number, because there is not a number n which added to its sum of digits gives 28751006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28751003) 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, 247796 + ... + 247911.
It is an arithmetic number, because the mean of its divisors is an integer number (5576715).
Almost surely, 228751006 is an apocalyptic number.
28751006 is a deficient number, since it is larger than the sum of its proper divisors (15862714).
28751006 is a wasteful number, since it uses less digits than its factorization.
28751006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495738.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 28751006 is about 5361.9964565449. The cubic root of 28751006 is about 306.3498568718.
Adding to 28751006 its reverse (60015782), we get a palindrome (88766788).
The spelling of 28751006 in words is "twenty-eight million, seven hundred fifty-one thousand, six".
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