Base | Representation |
---|---|
bin | 110110110001… |
… | …0010111101001 |
3 | 2000000211212000 |
4 | 1231202113221 |
5 | 24322330343 |
6 | 2503241213 |
7 | 466032444 |
oct | 155422751 |
9 | 60024760 |
10 | 28714473 |
11 | 15232677 |
12 | 9749209 |
13 | 5c44b18 |
14 | 3b5665b |
15 | 27c2ed3 |
hex | 1b625e9 |
28714473 has 16 divisors (see below), whose sum is σ = 43579200. Its totient is φ = 18675360.
The previous prime is 28714457. The next prime is 28714487. The reversal of 28714473 is 37441782.
It is a happy number.
It is not a de Polignac number, because 28714473 - 24 = 28714457 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (28714403) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11863 + ... + 14076.
It is an arithmetic number, because the mean of its divisors is an integer number (2723700).
Almost surely, 228714473 is an apocalyptic number.
It is an amenable number.
28714473 is a deficient number, since it is larger than the sum of its proper divisors (14864727).
28714473 is a wasteful number, since it uses less digits than its factorization.
28714473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25989 (or 25983 counting only the distinct ones).
The product of its digits is 37632, while the sum is 36.
The square root of 28714473 is about 5358.5887134581. The cubic root of 28714473 is about 306.2200454945.
The spelling of 28714473 in words is "twenty-eight million, seven hundred fourteen thousand, four hundred seventy-three".
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