Base | Representation |
---|---|
bin | 110101100011… |
… | …1011000100010 |
3 | 1221211121001001 |
4 | 1223013120202 |
5 | 24142022100 |
6 | 2441502214 |
7 | 460446604 |
oct | 153073042 |
9 | 57747031 |
10 | 28079650 |
11 | 14939725 |
12 | 94a196a |
13 | 5a81ba1 |
14 | 3a2d174 |
15 | 26e9d6a |
hex | 1ac7622 |
28079650 has 24 divisors (see below), whose sum is σ = 52389504. Its totient is φ = 11197200.
The previous prime is 28079603. The next prime is 28079651. The reversal of 28079650 is 5697082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28079651) 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, 20899 + ... + 22201.
It is an arithmetic number, because the mean of its divisors is an integer number (2182896).
Almost surely, 228079650 is an apocalyptic number.
28079650 is a deficient number, since it is larger than the sum of its proper divisors (24309854).
28079650 is a wasteful number, since it uses less digits than its factorization.
28079650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1746 (or 1741 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 28079650 is about 5299.0234949470. The cubic root of 28079650 is about 303.9465582997.
The spelling of 28079650 in words is "twenty-eight million, seventy-nine thousand, six hundred fifty".
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