Base | Representation |
---|---|
bin | 110011110100111… |
… | …111101010101100 |
3 | 2020121011201022100 |
4 | 303310333222230 |
5 | 3240044432114 |
6 | 222141015100 |
7 | 30355612500 |
oct | 6364775254 |
9 | 2217151270 |
10 | 869530284 |
11 | 406910a77 |
12 | 203254490 |
13 | 10b1b897c |
14 | 836a8300 |
15 | 5150d909 |
hex | 33d3faac |
869530284 has 108 divisors (see below), whose sum is σ = 2639477568. Its totient is φ = 240408000.
The previous prime is 869530283. The next prime is 869530289. The reversal of 869530284 is 482035968.
It is not an unprimeable number, because it can be changed into a prime (869530283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46734 + ... + 62634.
Almost surely, 2869530284 is an apocalyptic number.
869530284 is a gapful number since it is divisible by the number (84) 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 869530284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319738784).
869530284 is an abundant number, since it is smaller than the sum of its proper divisors (1769947284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
869530284 is a wasteful number, since it uses less digits than its factorization.
869530284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15956 (or 15944 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The square root of 869530284 is about 29487.7989005622. The cubic root of 869530284 is about 954.4684354827.
The spelling of 869530284 in words is "eight hundred sixty-nine million, five hundred thirty thousand, two hundred eighty-four".
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