Base | Representation |
---|---|
bin | 110101011111… |
… | …1111100111010 |
3 | 1221210001021122 |
4 | 1222333330322 |
5 | 24140033320 |
6 | 2441105242 |
7 | 460262060 |
oct | 152777472 |
9 | 57701248 |
10 | 28049210 |
11 | 14918872 |
12 | 9488222 |
13 | 5a71087 |
14 | 3a22030 |
15 | 26e0d25 |
hex | 1abff3a |
28049210 has 16 divisors (see below), whose sum is σ = 57701376. Its totient is φ = 9616848.
The previous prime is 28049209. The next prime is 28049221. The reversal of 28049210 is 1294082.
It is a self number, because there is not a number n which added to its sum of digits gives 28049210.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200282 + ... + 200421.
It is an arithmetic number, because the mean of its divisors is an integer number (3606336).
Almost surely, 228049210 is an apocalyptic number.
28049210 is an abundant number, since it is smaller than the sum of its proper divisors (29652166).
28049210 is a wasteful number, since it uses less digits than its factorization.
28049210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400717.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 28049210 is about 5296.1504887984. The cubic root of 28049210 is about 303.8366865772.
The spelling of 28049210 in words is "twenty-eight million, forty-nine thousand, two hundred ten".
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