Base | Representation |
---|---|
bin | 1001001011011… |
… | …10111111011010 |
3 | 12100220001001112 |
4 | 10211232333122 |
5 | 124203010131 |
6 | 11350220322 |
7 | 1623331511 |
oct | 445567732 |
9 | 170801045 |
10 | 77000666 |
11 | 3a512816 |
12 | 219546a2 |
13 | 12c50132 |
14 | a325678 |
15 | 6b6002b |
hex | 496efda |
77000666 has 8 divisors (see below), whose sum is σ = 117394644. Its totient is φ = 37869120.
The previous prime is 77000653. The next prime is 77000669. The reversal of 77000666 is 66600077.
It can be written as a sum of positive squares in 2 ways, for example, as 76930441 + 70225 = 8771^2 + 265^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×770006663 (a number of 25 digits) contains 333 as substring.
It is a Curzon number.
It is a zygodrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (77000669) 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, 315455 + ... + 315698.
Almost surely, 277000666 is an apocalyptic number.
77000666 is a deficient number, since it is larger than the sum of its proper divisors (40393978).
77000666 is a wasteful number, since it uses less digits than its factorization.
77000666 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 631216.
The product of its (nonzero) digits is 10584, while the sum is 32.
The square root of 77000666 is about 8775.0023361820. The cubic root of 77000666 is about 425.4333130784.
The spelling of 77000666 in words is "seventy-seven million, six hundred sixty-six", and thus it is an aban number.
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