Base | Representation |
---|---|
bin | 110101011101… |
… | …1010000111010 |
3 | 1221202001221112 |
4 | 1222323100322 |
5 | 24133430020 |
6 | 2440440322 |
7 | 460152101 |
oct | 152732072 |
9 | 57661845 |
10 | 28030010 |
11 | 149053a8 |
12 | 94790a2 |
13 | 5a65408 |
14 | 3a19038 |
15 | 26da2c5 |
hex | 1abb43a |
28030010 has 8 divisors (see below), whose sum is σ = 50454036. Its totient is φ = 11212000.
The previous prime is 28030007. The next prime is 28030033. The reversal of 28030010 is 1003082.
It can be written as a sum of positive squares in 2 ways, for example, as 28015849 + 14161 = 5293^2 + 119^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401491 + ... + 1401510.
Almost surely, 228030010 is an apocalyptic number.
28030010 is a deficient number, since it is larger than the sum of its proper divisors (22424026).
28030010 is a wasteful number, since it uses less digits than its factorization.
28030010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2803008.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 28030010 is about 5294.3375411849. The cubic root of 28030010 is about 303.7673442088.
Adding to 28030010 its reverse (1003082), we get a palindrome (29033092).
The spelling of 28030010 in words is "twenty-eight million, thirty thousand, ten".
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