Base | Representation |
---|---|
bin | 110101100011… |
… | …1101011010010 |
3 | 1221211122200111 |
4 | 1223013223102 |
5 | 24142041400 |
6 | 2441511534 |
7 | 460453240 |
oct | 153075322 |
9 | 57748614 |
10 | 28080850 |
11 | 1493a616 |
12 | 94a25aa |
13 | 5a825b5 |
14 | 3a2d790 |
15 | 26ea3ba |
hex | 1ac7ad2 |
28080850 has 24 divisors (see below), whose sum is σ = 59692608. Its totient is φ = 9627600.
The previous prime is 28080847. The next prime is 28080851. The reversal of 28080850 is 5808082.
It is not an unprimeable number, because it can be changed into a prime (28080851) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39766 + ... + 40465.
It is an arithmetic number, because the mean of its divisors is an integer number (2487192).
Almost surely, 228080850 is an apocalyptic number.
28080850 is an abundant number, since it is smaller than the sum of its proper divisors (31611758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28080850 is a wasteful number, since it uses less digits than its factorization.
28080850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80250 (or 80245 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 31.
The square root of 28080850 is about 5299.1367221464. The cubic root of 28080850 is about 303.9508880150.
The spelling of 28080850 in words is "twenty-eight million, eighty thousand, eight hundred fifty".
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