Base | Representation |
---|---|
bin | 10110111101010… |
… | …111001000001100 |
3 | 222211210101111000 |
4 | 112331113020030 |
5 | 1242101344033 |
6 | 102115500300 |
7 | 12355004130 |
oct | 2675271014 |
9 | 884711430 |
10 | 385184268 |
11 | 188476707 |
12 | a8bb7690 |
13 | 61a54ab1 |
14 | 392293c0 |
15 | 23c38a13 |
hex | 16f5720c |
385184268 has 96 divisors (see below), whose sum is σ = 1149926400. Its totient is φ = 109219968.
The previous prime is 385184263. The next prime is 385184279. The reversal of 385184268 is 862481583.
385184268 is a `hidden beast` number, since 38 + 518 + 42 + 68 = 666.
It is not an unprimeable number, because it can be changed into a prime (385184263) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101713 + ... + 105431.
It is an arithmetic number, because the mean of its divisors is an integer number (11978400).
Almost surely, 2385184268 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 385184268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574963200).
385184268 is an abundant number, since it is smaller than the sum of its proper divisors (764742132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385184268 is a wasteful number, since it uses less digits than its factorization.
385184268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3876 (or 3868 counting only the distinct ones).
The product of its digits is 368640, while the sum is 45.
The square root of 385184268 is about 19626.1118920687. Note that the first 3 decimals coincide. The cubic root of 385184268 is about 727.5946778682.
The spelling of 385184268 in words is "three hundred eighty-five million, one hundred eighty-four thousand, two hundred sixty-eight".
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