Base | Representation |
---|---|
bin | 110101011101… |
… | …1011111010111 |
3 | 1221202010012210 |
4 | 1222323133113 |
5 | 24133442220 |
6 | 2440444503 |
7 | 460154562 |
oct | 152733727 |
9 | 57663183 |
10 | 28030935 |
11 | 14906069 |
12 | 9479733 |
13 | 5a6596a |
14 | 3a194d9 |
15 | 26da6e0 |
hex | 1abb7d7 |
28030935 has 16 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 14803872.
The previous prime is 28030889. The next prime is 28030957. The reversal of 28030935 is 53903082.
It is a happy number.
It is not a de Polignac number, because 28030935 - 28 = 28030679 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7527 + ... + 10616.
It is an arithmetic number, because the mean of its divisors is an integer number (2830464).
Almost surely, 228030935 is an apocalyptic number.
28030935 is a deficient number, since it is larger than the sum of its proper divisors (17256489).
28030935 is a wasteful number, since it uses less digits than its factorization.
28030935 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18254.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 28030935 is about 5294.4248979469. The cubic root of 28030935 is about 303.7706856478.
The spelling of 28030935 in words is "twenty-eight million, thirty thousand, nine hundred thirty-five".
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