Base | Representation |
---|---|
bin | 110111010001… |
… | …0010101011000 |
3 | 2000112011020200 |
4 | 1232202111120 |
5 | 24404221342 |
6 | 2513022200 |
7 | 501203340 |
oct | 156422530 |
9 | 60464220 |
10 | 28976472 |
11 | 153a14a8 |
12 | 9854960 |
13 | 6007155 |
14 | 3bc3d20 |
15 | 282594c |
hex | 1ba2558 |
28976472 has 48 divisors (see below), whose sum is σ = 89690640. Its totient is φ = 8278848.
The previous prime is 28976461. The next prime is 28976473. The reversal of 28976472 is 27467982.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28976473) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28243 + ... + 29250.
It is an arithmetic number, because the mean of its divisors is an integer number (1868555).
Almost surely, 228976472 is an apocalyptic number.
It is an amenable number.
28976472 is an abundant number, since it is smaller than the sum of its proper divisors (60714168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28976472 is a wasteful number, since it uses less digits than its factorization.
28976472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57512 (or 57505 counting only the distinct ones).
The product of its digits is 338688, while the sum is 45.
The square root of 28976472 is about 5382.9798439154. The cubic root of 28976472 is about 307.1485733413.
The spelling of 28976472 in words is "twenty-eight million, nine hundred seventy-six thousand, four hundred seventy-two".
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