Base | Representation |
---|---|
bin | 110110000101… |
… | …0010101111000 |
3 | 1222100112020220 |
4 | 1230022111320 |
5 | 24224311122 |
6 | 2451420040 |
7 | 463001316 |
oct | 154122570 |
9 | 58315226 |
10 | 28353912 |
11 | 15006794 |
12 | 95b4620 |
13 | 5b49982 |
14 | 3aa10b6 |
15 | 275125c |
hex | 1b0a578 |
28353912 has 16 divisors (see below), whose sum is σ = 70884840. Its totient is φ = 9451296.
The previous prime is 28353911. The next prime is 28353937. The reversal of 28353912 is 21935382.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28353911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590683 + ... + 590730.
Almost surely, 228353912 is an apocalyptic number.
It is an amenable number.
28353912 is an abundant number, since it is smaller than the sum of its proper divisors (42530928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28353912 is a wasteful number, since it uses less digits than its factorization.
28353912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1181422 (or 1181418 counting only the distinct ones).
The product of its digits is 12960, while the sum is 33.
The square root of 28353912 is about 5324.8391525003. The cubic root of 28353912 is about 304.9329315936.
The spelling of 28353912 in words is "twenty-eight million, three hundred fifty-three thousand, nine hundred twelve".
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