Base | Representation |
---|---|
bin | 110111001001… |
… | …1110100010110 |
3 | 2000102010200112 |
4 | 1232103310112 |
5 | 24400321024 |
6 | 2511443022 |
7 | 500535110 |
oct | 156236426 |
9 | 60363615 |
10 | 28917014 |
11 | 15360865 |
12 | 9826472 |
13 | 5cb6079 |
14 | 3baa3b0 |
15 | 281300e |
hex | 1b93d16 |
28917014 has 8 divisors (see below), whose sum is σ = 49572048. Its totient is φ = 12393000.
The previous prime is 28916981. The next prime is 28917029. The reversal of 28917014 is 41071982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent 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, 1032737 + ... + 1032764.
It is an arithmetic number, because the mean of its divisors is an integer number (6196506).
Almost surely, 228917014 is an apocalyptic number.
28917014 is a deficient number, since it is larger than the sum of its proper divisors (20655034).
28917014 is a wasteful number, since it uses less digits than its factorization.
28917014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2065510.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 28917014 is about 5377.4542303956. The cubic root of 28917014 is about 306.9383459393.
Adding to 28917014 its reverse (41071982), we get a palindrome (69988996).
The spelling of 28917014 in words is "twenty-eight million, nine hundred seventeen thousand, fourteen".
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