Base | Representation |
---|---|
bin | 110001011001000… |
… | …010101001101101 |
3 | 2010202020200102100 |
4 | 301121002221231 |
5 | 3144113214140 |
6 | 214120445313 |
7 | 26351251341 |
oct | 6131025155 |
9 | 2122220370 |
10 | 828648045 |
11 | 3958285a5 |
12 | 1b1619839 |
13 | 1028a36b4 |
14 | 7c0a5621 |
15 | 4cb35530 |
hex | 31642a6d |
828648045 has 24 divisors (see below), whose sum is σ = 1511920800. Its totient is φ = 418684896.
The previous prime is 828647987. The next prime is 828648047. The reversal of 828648045 is 540846828.
It is not a de Polignac number, because 828648045 - 27 = 828647917 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (828648047) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483735 + ... + 485444.
It is an arithmetic number, because the mean of its divisors is an integer number (62996700).
Almost surely, 2828648045 is an apocalyptic number.
It is an amenable number.
828648045 is a deficient number, since it is larger than the sum of its proper divisors (683272755).
828648045 is a wasteful number, since it uses less digits than its factorization.
828648045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 969209 (or 969206 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 45.
The square root of 828648045 is about 28786.2474977202. The cubic root of 828648045 is about 939.2691032587.
It can be divided in two parts, 82864 and 8045, that added together give a palindrome (90909).
The spelling of 828648045 in words is "eight hundred twenty-eight million, six hundred forty-eight thousand, forty-five".
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