Base | Representation |
---|---|
bin | 110110101111… |
… | …1000101010110 |
3 | 2000000011101112 |
4 | 1231133011112 |
5 | 24321413024 |
6 | 2503055022 |
7 | 465645266 |
oct | 155370526 |
9 | 60004345 |
10 | 28701014 |
11 | 15223551 |
12 | 9741472 |
13 | 5c3b964 |
14 | 3b517a6 |
15 | 27be00e |
hex | 1b5f156 |
28701014 has 4 divisors (see below), whose sum is σ = 43051524. Its totient is φ = 14350506.
The previous prime is 28700977. The next prime is 28701019. The reversal of 28701014 is 41010782.
It is a semiprime because it is the product of two primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28701019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7175252 + ... + 7175255.
It is an arithmetic number, because the mean of its divisors is an integer number (10762881).
Almost surely, 228701014 is an apocalyptic number.
28701014 is a deficient number, since it is larger than the sum of its proper divisors (14350510).
28701014 is a wasteful number, since it uses less digits than its factorization.
28701014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14350509.
The product of its (nonzero) digits is 448, while the sum is 23.
The square root of 28701014 is about 5357.3327318732. The cubic root of 28701014 is about 306.1721943674.
Adding to 28701014 its reverse (41010782), we get a palindrome (69711796).
The spelling of 28701014 in words is "twenty-eight million, seven hundred one thousand, fourteen".
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