Base | Representation |
---|---|
bin | 1001001001100… |
… | …11010000010001 |
3 | 12100102121102021 |
4 | 10210303100101 |
5 | 124122142420 |
6 | 11341051441 |
7 | 1621262245 |
oct | 444632021 |
9 | 170377367 |
10 | 76755985 |
11 | 3a3659a9 |
12 | 21856b81 |
13 | 12b95957 |
14 | a2a0425 |
15 | 6b127aa |
hex | 4933411 |
76755985 has 8 divisors (see below), whose sum is σ = 92158056. Its totient is φ = 61370880.
The previous prime is 76755983. The next prime is 76755997. The reversal of 76755985 is 58955767.
It can be written as a sum of positive squares in 4 ways, for example, as 37405456 + 39350529 = 6116^2 + 6273^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 76755985 - 21 = 76755983 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76755983) 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, 10177 + ... + 16033.
It is an arithmetic number, because the mean of its divisors is an integer number (11519757).
Almost surely, 276755985 is an apocalyptic number.
It is an amenable number.
76755985 is a deficient number, since it is larger than the sum of its proper divisors (15402071).
76755985 is a wasteful number, since it uses less digits than its factorization.
76755985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8483.
The product of its digits is 2646000, while the sum is 52.
The square root of 76755985 is about 8761.0493093008. The cubic root of 76755985 is about 424.9822091745.
The spelling of 76755985 in words is "seventy-six million, seven hundred fifty-five thousand, nine hundred eighty-five".
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