Base | Representation |
---|---|
bin | 10111100110000… |
… | …111000010100000 |
3 | 1000120220002102210 |
4 | 113212013002200 |
5 | 1302320210042 |
6 | 103140442120 |
7 | 12544544034 |
oct | 2746070240 |
9 | 1016802383 |
10 | 395866272 |
11 | 19350220a |
12 | b06a9340 |
13 | 64024bc9 |
14 | 3a80a1c4 |
15 | 24b48a9c |
hex | 179870a0 |
395866272 has 48 divisors (see below), whose sum is σ = 1040854752. Its totient is φ = 131738880.
The previous prime is 395866253. The next prime is 395866291. The reversal of 395866272 is 272668593.
It is an interprime number because it is at equal distance from previous prime (395866253) and next prime (395866291).
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 61947 + ... + 68037.
It is an arithmetic number, because the mean of its divisors is an integer number (21684474).
Almost surely, 2395866272 is an apocalyptic number.
395866272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
395866272 is an abundant number, since it is smaller than the sum of its proper divisors (644988480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395866272 is a wasteful number, since it uses less digits than its factorization.
395866272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6781 (or 6773 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 48.
The square root of 395866272 is about 19896.3884159915. The cubic root of 395866272 is about 734.2593752038.
The spelling of 395866272 in words is "three hundred ninety-five million, eight hundred sixty-six thousand, two hundred seventy-two".
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