Base | Representation |
---|---|
bin | 10110101010111… |
… | …111011110010000 |
3 | 222111201201212202 |
4 | 112222333132100 |
5 | 1234333300114 |
6 | 101424342332 |
7 | 12266036615 |
oct | 2652773620 |
9 | 874651782 |
10 | 380368784 |
11 | 185787774 |
12 | a74749a8 |
13 | 60a59cb3 |
14 | 3873450c |
15 | 235d6cde |
hex | 16abf790 |
380368784 has 20 divisors (see below), whose sum is σ = 737726220. Its totient is φ = 189987840.
The previous prime is 380368783. The next prime is 380368787. The reversal of 380368784 is 487863083.
It can be written as a sum of positive squares in 2 ways, for example, as 97456384 + 282912400 = 9872^2 + 16820^2 .
It is not an unprimeable number, because it can be changed into a prime (380368783) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4364 + ... + 27924.
It is an arithmetic number, because the mean of its divisors is an integer number (36886311).
Almost surely, 2380368784 is an apocalyptic number.
It is an amenable number.
380368784 is a deficient number, since it is larger than the sum of its proper divisors (357357436).
380368784 is a wasteful number, since it uses less digits than its factorization.
380368784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24578 (or 24572 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 47.
The square root of 380368784 is about 19503.0455057665. The cubic root of 380368784 is about 724.5498808850.
The spelling of 380368784 in words is "three hundred eighty million, three hundred sixty-eight thousand, seven hundred eighty-four".
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