Base | Representation |
---|---|
bin | 110110101100… |
… | …1000111000001 |
3 | 1222221220211021 |
4 | 1231121013001 |
5 | 24320122140 |
6 | 2502345441 |
7 | 465514042 |
oct | 155310701 |
9 | 58856737 |
10 | 28676545 |
11 | 15207127 |
12 | 972b281 |
13 | 5c30791 |
14 | 3b468c9 |
15 | 27b6b4a |
hex | 1b591c1 |
28676545 has 8 divisors (see below), whose sum is σ = 34896960. Its totient is φ = 22617840.
The previous prime is 28676509. The next prime is 28676573. The reversal of 28676545 is 54567682.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28676545 - 211 = 28674497 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40035 + ... + 40744.
It is an arithmetic number, because the mean of its divisors is an integer number (4362120).
Almost surely, 228676545 is an apocalyptic number.
It is an amenable number.
28676545 is a deficient number, since it is larger than the sum of its proper divisors (6220415).
28676545 is an equidigital number, since it uses as much as digits as its factorization.
28676545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80855.
The product of its digits is 403200, while the sum is 43.
The square root of 28676545 is about 5355.0485525343. The cubic root of 28676545 is about 306.0851607705.
The spelling of 28676545 in words is "twenty-eight million, six hundred seventy-six thousand, five hundred forty-five".
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