Base | Representation |
---|---|
bin | 111111101011100… |
… | …110100011100101 |
3 | 2202110101002001000 |
4 | 333223212203211 |
5 | 4142002112400 |
6 | 254003223513 |
7 | 35322130266 |
oct | 7753464345 |
9 | 2673332030 |
10 | 1068394725 |
11 | 4a9098852 |
12 | 259977b99 |
13 | 140466138 |
14 | a1c7296d |
15 | 63be1600 |
hex | 3fae68e5 |
1068394725 has 48 divisors (see below), whose sum is σ = 1965846400. Its totient is φ = 568892160.
The previous prime is 1068394709. The next prime is 1068394751. The reversal of 1068394725 is 5274938601.
1068394725 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1068394725 - 24 = 1068394709 is a prime.
It is a super-2 number, since 2×10683947252 = 2282934576815651250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
1068394725 is strictly pandigital in base 10.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 716781 + ... + 718269.
It is a 2-persistent number, because it is pandigital, and so is 2⋅1068394725 = 2136789450, but 3⋅1068394725 = 3205184175 is not.
Almost surely, 21068394725 is an apocalyptic number.
1068394725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1068394725 is a deficient number, since it is larger than the sum of its proper divisors (897451675).
1068394725 is a wasteful number, since it uses less digits than its factorization.
1068394725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2571 (or 2560 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 1068394725 is about 32686.3079132532. The cubic root of 1068394725 is about 1022.2973735816.
The spelling of 1068394725 in words is "one billion, sixty-eight million, three hundred ninety-four thousand, seven hundred twenty-five".
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