Base | Representation |
---|---|
bin | 110110101100… |
… | …0100001010111 |
3 | 1222221210112000 |
4 | 1231120201113 |
5 | 24320033020 |
6 | 2502330343 |
7 | 465504030 |
oct | 155304127 |
9 | 58853460 |
10 | 28674135 |
11 | 15205336 |
12 | 97299b3 |
13 | 5c2c659 |
14 | 3b45a87 |
15 | 27b6090 |
hex | 1b58857 |
28674135 has 64 divisors (see below), whose sum is σ = 61363200. Its totient is φ = 12410496.
The previous prime is 28674133. The next prime is 28674137. The reversal of 28674135 is 53147682.
It is an interprime number because it is at equal distance from previous prime (28674133) and next prime (28674137).
It is not a de Polignac number, because 28674135 - 21 = 28674133 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28674135.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28674133) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 17157 + ... + 18753.
It is an arithmetic number, because the mean of its divisors is an integer number (958800).
Almost surely, 228674135 is an apocalyptic number.
28674135 is an abundant number, since it is smaller than the sum of its proper divisors (32689065).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28674135 is a wasteful number, since it uses less digits than its factorization.
28674135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1637 (or 1631 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 28674135 is about 5354.8235265039. The cubic root of 28674135 is about 306.0765859823.
The spelling of 28674135 in words is "twenty-eight million, six hundred seventy-four thousand, one hundred thirty-five".
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