Base | Representation |
---|---|
bin | 110110000110… |
… | …1001111100000 |
3 | 1222101010112220 |
4 | 1230031033200 |
5 | 24230201132 |
6 | 2451551040 |
7 | 463051050 |
oct | 154151740 |
9 | 58333486 |
10 | 28365792 |
11 | 15014704 |
12 | 95bb480 |
13 | 5b521c0 |
14 | 3aa5560 |
15 | 2754a2c |
hex | 1b0d3e0 |
28365792 has 192 divisors, whose sum is σ = 97542144. Its totient is φ = 7004160.
The previous prime is 28365773. The next prime is 28365811. The reversal of 28365792 is 29756382.
It is an interprime number because it is at equal distance from previous prime (28365773) and next prime (28365811).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148417 + ... + 148607.
It is an arithmetic number, because the mean of its divisors is an integer number (508032).
Almost surely, 228365792 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 28365792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48771072).
28365792 is an abundant number, since it is smaller than the sum of its proper divisors (69176352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28365792 is a wasteful number, since it uses less digits than its factorization.
28365792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241 (or 233 counting only the distinct ones).
The product of its digits is 181440, while the sum is 42.
The square root of 28365792 is about 5325.9545623296. The cubic root of 28365792 is about 304.9755135766.
The spelling of 28365792 in words is "twenty-eight million, three hundred sixty-five thousand, seven hundred ninety-two".
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