Base | Representation |
---|---|
bin | 10110101010110… |
… | …110011011101011 |
3 | 222111122212002022 |
4 | 112222312123223 |
5 | 1234331104010 |
6 | 101423455055 |
7 | 12265523636 |
oct | 2652663353 |
9 | 874585068 |
10 | 380331755 |
11 | 185761971 |
12 | a745748b |
13 | 60a4619b |
14 | 38724c1d |
15 | 235cad55 |
hex | 16ab66eb |
380331755 has 8 divisors (see below), whose sum is σ = 466108992. Its totient is φ = 297791488.
The previous prime is 380331751. The next prime is 380331773. The reversal of 380331755 is 557133083.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 380331755 - 22 = 380331751 is a prime.
It is a super-2 number, since 2×3803317552 = 289304487722760050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (380331751) 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, 808982 + ... + 809451.
It is an arithmetic number, because the mean of its divisors is an integer number (58263624).
Almost surely, 2380331755 is an apocalyptic number.
380331755 is a deficient number, since it is larger than the sum of its proper divisors (85777237).
380331755 is a wasteful number, since it uses less digits than its factorization.
380331755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1618485.
The product of its (nonzero) digits is 37800, while the sum is 35.
The square root of 380331755 is about 19502.0961693865. The cubic root of 380331755 is about 724.5263684156.
The spelling of 380331755 in words is "three hundred eighty million, three hundred thirty-one thousand, seven hundred fifty-five".
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