Base | Representation |
---|---|
bin | 110110101100… |
… | …0100010010000 |
3 | 1222221210121010 |
4 | 1231120202100 |
5 | 24320033232 |
6 | 2502330520 |
7 | 465504141 |
oct | 155304220 |
9 | 58853533 |
10 | 28674192 |
11 | 15205388 |
12 | 9729a40 |
13 | 5c2c6a1 |
14 | 3b45ac8 |
15 | 27b60cc |
hex | 1b58890 |
28674192 has 80 divisors (see below), whose sum is σ = 81423360. Its totient is φ = 8654976.
The previous prime is 28674179. The next prime is 28674193. The reversal of 28674192 is 29147682.
It is a self number, because there is not a number n which added to its sum of digits gives 28674192.
It is not an unprimeable number, because it can be changed into a prime (28674193) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20293 + ... + 21659.
It is an arithmetic number, because the mean of its divisors is an integer number (1017792).
Almost surely, 228674192 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28674192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40711680).
28674192 is an abundant number, since it is smaller than the sum of its proper divisors (52749168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28674192 is a wasteful number, since it uses less digits than its factorization.
28674192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1420 (or 1414 counting only the distinct ones).
The product of its digits is 48384, while the sum is 39.
The square root of 28674192 is about 5354.8288488055. The cubic root of 28674192 is about 306.0767887940.
The spelling of 28674192 in words is "twenty-eight million, six hundred seventy-four thousand, one hundred ninety-two".
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