Base | Representation |
---|---|
bin | 110111000001… |
… | …1110000110100 |
3 | 2000021210110220 |
4 | 1232003300310 |
5 | 24341220002 |
6 | 2510214340 |
7 | 500142303 |
oct | 156036064 |
9 | 60253426 |
10 | 28851252 |
11 | 15316411 |
12 | 97b43b0 |
13 | 5c92161 |
14 | 3b9043a |
15 | 27ed7bc |
hex | 1b83c34 |
28851252 has 24 divisors (see below), whose sum is σ = 67620000. Its totient is φ = 9574176.
The previous prime is 28851247. The next prime is 28851271. The reversal of 28851252 is 25215882.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502 + ... + 7997.
It is an arithmetic number, because the mean of its divisors is an integer number (2817500).
Almost surely, 228851252 is an apocalyptic number.
It is an amenable number.
28851252 is an abundant number, since it is smaller than the sum of its proper divisors (38768748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28851252 is a wasteful number, since it uses less digits than its factorization.
28851252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10735 (or 10733 counting only the distinct ones).
The product of its digits is 12800, while the sum is 33.
The square root of 28851252 is about 5371.3361466212. The cubic root of 28851252 is about 306.7054934037.
The spelling of 28851252 in words is "twenty-eight million, eight hundred fifty-one thousand, two hundred fifty-two".
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