Base | Representation |
---|---|
bin | 101101110001111… |
… | …001100010111111 |
3 | 1222112020021001112 |
4 | 231301321202333 |
5 | 3033110233422 |
6 | 204114032235 |
7 | 25014235553 |
oct | 5561714277 |
9 | 1875207045 |
10 | 768055487 |
11 | 364602501 |
12 | 19527867b |
13 | c3179b04 |
14 | 74011863 |
15 | 47666ee2 |
hex | 2dc798bf |
768055487 has 8 divisors (see below), whose sum is σ = 814848000. Its totient is φ = 721899864.
The previous prime is 768055433. The next prime is 768055499. The reversal of 768055487 is 784550867.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-768055487 is a prime.
It is a super-2 number, since 2×7680554872 = 1179818462221614338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (768055987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156737 + ... + 161562.
It is an arithmetic number, because the mean of its divisors is an integer number (101856000).
Almost surely, 2768055487 is an apocalyptic number.
768055487 is a deficient number, since it is larger than the sum of its proper divisors (46792513).
768055487 is a wasteful number, since it uses less digits than its factorization.
768055487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 318445.
The product of its (nonzero) digits is 1881600, while the sum is 50.
The square root of 768055487 is about 27713.8140103451. The cubic root of 768055487 is about 915.7934479418.
The spelling of 768055487 in words is "seven hundred sixty-eight million, fifty-five thousand, four hundred eighty-seven".
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