Base | Representation |
---|---|
bin | 10110111110010… |
… | …011010101100100 |
3 | 222212020220202221 |
4 | 112332103111210 |
5 | 1242132242014 |
6 | 102125042124 |
7 | 12360052126 |
oct | 2676232544 |
9 | 885226687 |
10 | 385430884 |
11 | 188624a23 |
12 | a90b6344 |
13 | 61b10117 |
14 | 39291216 |
15 | 23c86b24 |
hex | 16f93564 |
385430884 has 24 divisors (see below), whose sum is σ = 720014400. Its totient is φ = 179998560.
The previous prime is 385430863. The next prime is 385430897. The reversal of 385430884 is 488034583.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 385430884.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30319 + ... + 41110.
It is an arithmetic number, because the mean of its divisors is an integer number (30000600).
Almost surely, 2385430884 is an apocalyptic number.
It is an amenable number.
385430884 is a deficient number, since it is larger than the sum of its proper divisors (334583516).
385430884 is a wasteful number, since it uses less digits than its factorization.
385430884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71523 (or 71521 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 43.
The square root of 385430884 is about 19632.3937409578. The cubic root of 385430884 is about 727.7499266868.
It can be divided in two parts, 3 and 85430884, that multiplied together give a palindrome (256292652).
The spelling of 385430884 in words is "three hundred eighty-five million, four hundred thirty thousand, eight hundred eighty-four".
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