| Base | Representation |
|---|---|
| bin | 10000111110001… |
| … | …000001111101000 |
| 3 | 201211202101100220 |
| 4 | 100332020033220 |
| 5 | 1040342102102 |
| 6 | 44130330040 |
| 7 | 10025045511 |
| oct | 2076101750 |
| 9 | 654671326 |
| 10 | 284722152 |
| 11 | 136799a70 |
| 12 | 7b429920 |
| 13 | 46cabb60 |
| 14 | 29b57a08 |
| 15 | 19ee21bc |
| hex | 10f883e8 |
284722152 has 128 divisors (see below), whose sum is σ = 872847360. Its totient is φ = 76158720.
The previous prime is 284722147. The next prime is 284722153. The reversal of 284722152 is 251227482.
284722152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2847221522 = 162133407679022208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (284722153) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 77133 + ... + 80739.
It is an arithmetic number, because the mean of its divisors is an integer number (6819120).
Almost surely, 2284722152 is an apocalyptic number.
284722152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 284722152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436423680).
284722152 is an abundant number, since it is smaller than the sum of its proper divisors (588125208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284722152 is a wasteful number, since it uses less digits than its factorization.
284722152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3663 (or 3659 counting only the distinct ones).
The product of its digits is 17920, while the sum is 33.
The square root of 284722152 is about 16873.7118619467. The cubic root of 284722152 is about 657.8705103296.
The spelling of 284722152 in words is "two hundred eighty-four million, seven hundred twenty-two thousand, one hundred fifty-two".
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