Base | Representation |
---|---|
bin | 110101101101… |
… | …1001011001000 |
3 | 1221222201020100 |
4 | 1223123023020 |
5 | 24202120322 |
6 | 2443325400 |
7 | 461235126 |
oct | 153331310 |
9 | 57881210 |
10 | 28160712 |
11 | 14994618 |
12 | 9520860 |
13 | 5aaca58 |
14 | 3a50916 |
15 | 2713dac |
hex | 1adb2c8 |
28160712 has 48 divisors (see below), whose sum is σ = 76649040. Its totient is φ = 9340128.
The previous prime is 28160707. The next prime is 28160729. The reversal of 28160712 is 21706182.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15483 + ... + 17205.
It is an arithmetic number, because the mean of its divisors is an integer number (1596855).
Almost surely, 228160712 is an apocalyptic number.
It is an amenable number.
28160712 is an abundant number, since it is smaller than the sum of its proper divisors (48488328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28160712 is a wasteful number, since it uses less digits than its factorization.
28160712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1962 (or 1955 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 28160712 is about 5306.6667504188. Note that the first 3 decimals coincide. The cubic root of 28160712 is about 304.2387609512.
Adding to 28160712 its reverse (21706182), we get a palindrome (49866894).
The spelling of 28160712 in words is "twenty-eight million, one hundred sixty thousand, seven hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •