Base | Representation |
---|---|
bin | 10110101010110… |
… | …110001100000101 |
3 | 222111122210201100 |
4 | 112222312030011 |
5 | 1234331041012 |
6 | 101423450313 |
7 | 12265521012 |
oct | 2652661405 |
9 | 874583640 |
10 | 380330757 |
11 | 185761144 |
12 | a7456999 |
13 | 60a458b1 |
14 | 38724709 |
15 | 235ca8dc |
hex | 16ab6305 |
380330757 has 24 divisors (see below), whose sum is σ = 557156600. Its totient is φ = 249982848.
The previous prime is 380330747. The next prime is 380330759. The reversal of 380330757 is 757033083.
It can be written as a sum of positive squares in 4 ways, for example, as 155600676 + 224730081 = 12474^2 + 14991^2 .
It is not a de Polignac number, because 380330757 - 214 = 380314373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380330759) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223803 + ... + 225495.
Almost surely, 2380330757 is an apocalyptic number.
It is an amenable number.
380330757 is a deficient number, since it is larger than the sum of its proper divisors (176825843).
380330757 is a wasteful number, since it uses less digits than its factorization.
380330757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2037 (or 2034 counting only the distinct ones).
The product of its (nonzero) digits is 52920, while the sum is 36.
The square root of 380330757 is about 19502.0705823766. The cubic root of 380330757 is about 724.5257346899.
The spelling of 380330757 in words is "three hundred eighty million, three hundred thirty thousand, seven hundred fifty-seven".
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