Base | Representation |
---|---|
bin | 10110110100111… |
… | …110100000101000 |
3 | 222200122201102001 |
4 | 112310332200220 |
5 | 1241021030110 |
6 | 102000420344 |
7 | 12330221035 |
oct | 2664764050 |
9 | 880581361 |
10 | 382986280 |
11 | 187205296 |
12 | a83176b4 |
13 | 61465501 |
14 | 38c1638c |
15 | 2395263a |
hex | 16d3e828 |
382986280 has 32 divisors (see below), whose sum is σ = 868515840. Its totient is φ = 151986240.
The previous prime is 382986269. The next prime is 382986281. The reversal of 382986280 is 82689283.
It is a happy number.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 382986280.
It is not an unprimeable number, because it can be changed into a prime (382986281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32616 + ... + 42775.
It is an arithmetic number, because the mean of its divisors is an integer number (27141120).
Almost surely, 2382986280 is an apocalyptic number.
It is an amenable number.
382986280 is an abundant number, since it is smaller than the sum of its proper divisors (485529560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
382986280 is a wasteful number, since it uses less digits than its factorization.
382986280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75529 (or 75525 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 46.
The square root of 382986280 is about 19570.0352580163. The cubic root of 382986280 is about 726.2080722682.
It can be divided in two parts, 3829 and 86280, that added together give a palindrome (90109).
The spelling of 382986280 in words is "three hundred eighty-two million, nine hundred eighty-six thousand, two hundred eighty".
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