Base | Representation |
---|---|
bin | 110111001110… |
… | …1001111110010 |
3 | 2000111002122220 |
4 | 1232131033302 |
5 | 24403040014 |
6 | 2512341510 |
7 | 501055521 |
oct | 156351762 |
9 | 60432586 |
10 | 28955634 |
11 | 15387884 |
12 | 9844896 |
13 | 5cca816 |
14 | 3bba4b8 |
15 | 281e6a9 |
hex | 1b9d3f2 |
28955634 has 8 divisors (see below), whose sum is σ = 57911280. Its totient is φ = 9651876.
The previous prime is 28955627. The next prime is 28955657. The reversal of 28955634 is 43655982.
It is a sphenic number, since it is the product of 3 distinct primes.
28955634 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2412964 + ... + 2412975.
It is an arithmetic number, because the mean of its divisors is an integer number (7238910).
Almost surely, 228955634 is an apocalyptic number.
28955634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28955634 is a wasteful number, since it uses less digits than its factorization.
28955634 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4825944.
The product of its digits is 259200, while the sum is 42.
The square root of 28955634 is about 5381.0439507590. The cubic root of 28955634 is about 307.0749285715.
The spelling of 28955634 in words is "twenty-eight million, nine hundred fifty-five thousand, six hundred thirty-four".
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