Base | Representation |
---|---|
bin | 110110000111… |
… | …0011000110101 |
3 | 1222101100222201 |
4 | 1230032120311 |
5 | 24230323420 |
6 | 2452024501 |
7 | 463100533 |
oct | 154163065 |
9 | 58340881 |
10 | 28370485 |
11 | 15018190 |
12 | 9602131 |
13 | 5b54390 |
14 | 3aa7153 |
15 | 275610a |
hex | 1b0e635 |
28370485 has 16 divisors (see below), whose sum is σ = 39997440. Its totient is φ = 19045440.
The previous prime is 28370417. The next prime is 28370491. The reversal of 28370485 is 58407382.
It is not a de Polignac number, because 28370485 - 27 = 28370357 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19125 + ... + 20554.
It is an arithmetic number, because the mean of its divisors is an integer number (2499840).
Almost surely, 228370485 is an apocalyptic number.
It is an amenable number.
28370485 is a deficient number, since it is larger than the sum of its proper divisors (11626955).
28370485 is a wasteful number, since it uses less digits than its factorization.
28370485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39708.
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 28370485 is about 5326.3951224069. The cubic root of 28370485 is about 304.9923316176.
The spelling of 28370485 in words is "twenty-eight million, three hundred seventy thousand, four hundred eighty-five".
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