Base | Representation |
---|---|
bin | 110101111100… |
… | …1101010100010 |
3 | 1222020001112220 |
4 | 1223321222202 |
5 | 24220114402 |
6 | 2450131510 |
7 | 462265212 |
oct | 153715242 |
9 | 58201486 |
10 | 28285602 |
11 | 14a6a434 |
12 | 9580b96 |
13 | 5b24857 |
14 | 3a84242 |
15 | 273adbc |
hex | 1af9aa2 |
28285602 has 16 divisors (see below), whose sum is σ = 57347040. Its totient is φ = 9299232.
The previous prime is 28285601. The next prime is 28285657. The reversal of 28285602 is 20658282.
It is not an unprimeable number, because it can be changed into a prime (28285601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31852 + ... + 32727.
It is an arithmetic number, because the mean of its divisors is an integer number (3584190).
Almost surely, 228285602 is an apocalyptic number.
28285602 is an abundant number, since it is smaller than the sum of its proper divisors (29061438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28285602 is a wasteful number, since it uses less digits than its factorization.
28285602 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64657.
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 28285602 is about 5318.4210062762. The cubic root of 28285602 is about 304.6878540798.
The spelling of 28285602 in words is "twenty-eight million, two hundred eighty-five thousand, six hundred two".
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