Base | Representation |
---|---|
bin | 110101100001… |
… | …1010100111011 |
3 | 1221210202020200 |
4 | 1223003110323 |
5 | 24141004120 |
6 | 2441253243 |
7 | 460350300 |
oct | 153032473 |
9 | 57722220 |
10 | 28063035 |
11 | 149281a0 |
12 | 9494223 |
13 | 5a77460 |
14 | 3a270a7 |
15 | 26e4e90 |
hex | 1ac353b |
28063035 has 144 divisors (see below), whose sum is σ = 67223520. Its totient is φ = 10644480.
The previous prime is 28063003. The next prime is 28063037. The reversal of 28063035 is 53036082.
28063035 is a `hidden beast` number, since 28 + 0 + 630 + 3 + 5 = 666.
It is not a de Polignac number, because 28063035 - 25 = 28063003 is a prime.
It is a super-2 number, since 2×280630352 = 1575067866822450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28063037) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 315271 + ... + 315359.
It is an arithmetic number, because the mean of its divisors is an integer number (466830).
Almost surely, 228063035 is an apocalyptic number.
28063035 is an abundant number, since it is smaller than the sum of its proper divisors (39160485).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28063035 is a wasteful number, since it uses less digits than its factorization.
28063035 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138 (or 128 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 28063035 is about 5297.4555212857. The cubic root of 28063035 is about 303.8865971006.
The spelling of 28063035 in words is "twenty-eight million, sixty-three thousand, thirty-five".
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