Base | Representation |
---|---|
bin | 111100000100111… |
… | …0010111110101100 |
3 | 12012111010222102120 |
4 | 1320021302332230 |
5 | 13112023142103 |
6 | 532010152540 |
7 | 100645210065 |
oct | 17011627654 |
9 | 5174128376 |
10 | 2015834028 |
11 | 944981a3a |
12 | 483122750 |
13 | 26182c500 |
14 | 151a1b56c |
15 | bbe8e253 |
hex | 78272fac |
2015834028 has 72 divisors (see below), whose sum is σ = 5115801600. Its totient is φ = 617512896.
The previous prime is 2015834027. The next prime is 2015834077. The reversal of 2015834028 is 8204385102.
It is a self number, because there is not a number n which added to its sum of digits gives 2015834028.
It is not an unprimeable number, because it can be changed into a prime (2015834021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482613 + ... + 486771.
It is an arithmetic number, because the mean of its divisors is an integer number (71052800).
Almost surely, 22015834028 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2015834028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557900800).
2015834028 is an abundant number, since it is smaller than the sum of its proper divisors (3099967572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2015834028 is a wasteful number, since it uses less digits than its factorization.
2015834028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4431 (or 4416 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 2015834028 is about 44898.0403581270. The cubic root of 2015834028 is about 1263.2372512904.
The spelling of 2015834028 in words is "two billion, fifteen million, eight hundred thirty-four thousand, twenty-eight".
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