Base | Representation |
---|---|
bin | 110110111111… |
… | …1110000010101 |
3 | 2000020221221221 |
4 | 1231333300111 |
5 | 24340203322 |
6 | 2510010341 |
7 | 500043403 |
oct | 155776025 |
9 | 60227857 |
10 | 28834837 |
11 | 15305049 |
12 | 97a69b1 |
13 | 5c87845 |
14 | 3b88473 |
15 | 27e89c7 |
hex | 1b7fc15 |
28834837 has 8 divisors (see below), whose sum is σ = 30430400. Its totient is φ = 27247104.
The previous prime is 28834831. The next prime is 28834853. The reversal of 28834837 is 73843882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28834837 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28834793 and 28834802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28834831) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6613 + ... + 10069.
It is an arithmetic number, because the mean of its divisors is an integer number (3803800).
Almost surely, 228834837 is an apocalyptic number.
It is an amenable number.
28834837 is a deficient number, since it is larger than the sum of its proper divisors (1595563).
28834837 is a wasteful number, since it uses less digits than its factorization.
28834837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3915.
The product of its digits is 258048, while the sum is 43.
The square root of 28834837 is about 5369.8079109033. The cubic root of 28834837 is about 306.6473153878.
The spelling of 28834837 in words is "twenty-eight million, eight hundred thirty-four thousand, eight hundred thirty-seven".
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