Base | Representation |
---|---|
bin | 110101101101… |
… | …1001111010000 |
3 | 1221222201121010 |
4 | 1223123033100 |
5 | 24202122401 |
6 | 2443330520 |
7 | 461235654 |
oct | 153331720 |
9 | 57881533 |
10 | 28160976 |
11 | 14994838 |
12 | 9520a40 |
13 | 5aacbcc |
14 | 3a50a64 |
15 | 2713ed6 |
hex | 1adb3d0 |
28160976 has 40 divisors (see below), whose sum is σ = 77030784. Its totient is φ = 8834560.
The previous prime is 28160969. The next prime is 28160981. The reversal of 28160976 is 67906182.
It is a congruent number.
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, 16440 + ... + 18071.
Almost surely, 228160976 is an apocalyptic number.
It is an amenable number.
28160976 is an abundant number, since it is smaller than the sum of its proper divisors (48869808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28160976 is a wasteful number, since it uses less digits than its factorization.
28160976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34539 (or 34533 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 28160976 is about 5306.6916247319. The cubic root of 28160976 is about 304.2397116703.
The spelling of 28160976 in words is "twenty-eight million, one hundred sixty thousand, nine hundred seventy-six".
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