Base | Representation |
---|---|
bin | 110110110110… |
… | …1100110011000 |
3 | 2000010011221200 |
4 | 1231231212120 |
5 | 24330313342 |
6 | 2504234200 |
7 | 466313526 |
oct | 155554630 |
9 | 60104850 |
10 | 28760472 |
11 | 15264194 |
12 | 976b960 |
13 | 5c5ca40 |
14 | 3b69316 |
15 | 27d194c |
hex | 1b6d998 |
28760472 has 48 divisors (see below), whose sum is σ = 83887440. Its totient is φ = 8849088.
The previous prime is 28760461. The next prime is 28760519. The reversal of 28760472 is 27406782.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14428 + ... + 16299.
It is an arithmetic number, because the mean of its divisors is an integer number (1747655).
Almost surely, 228760472 is an apocalyptic number.
It is an amenable number.
28760472 is an abundant number, since it is smaller than the sum of its proper divisors (55126968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28760472 is a wasteful number, since it uses less digits than its factorization.
28760472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30752 (or 30745 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 28760472 is about 5362.8790775105. The cubic root of 28760472 is about 306.3834741250.
The spelling of 28760472 in words is "twenty-eight million, seven hundred sixty thousand, four hundred seventy-two".
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