Base | Representation |
---|---|
bin | 111110110100111… |
… | …011010000100101 |
3 | 2201110101212200201 |
4 | 332310323100211 |
5 | 4124314432410 |
6 | 252332110501 |
7 | 35056242622 |
oct | 7664732045 |
9 | 2643355621 |
10 | 1054061605 |
11 | 4a0a990a3 |
12 | 255005431 |
13 | 13a4b81bc |
14 | 9ddc1349 |
15 | 6280e83a |
hex | 3ed3b425 |
1054061605 has 8 divisors (see below), whose sum is σ = 1265326200. Its totient is φ = 842947776.
The previous prime is 1054061573. The next prime is 1054061647. The reversal of 1054061605 is 5061604501.
It can be written as a sum of positive squares in 4 ways, for example, as 77686596 + 976375009 = 8814^2 + 31247^2 .
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 1054061605 - 25 = 1054061573 is a prime.
It is a super-3 number, since 3×10540616053 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 21690 + ... + 50779.
It is an arithmetic number, because the mean of its divisors is an integer number (158165775).
Almost surely, 21054061605 is an apocalyptic number.
It is an amenable number.
1054061605 is a deficient number, since it is larger than the sum of its proper divisors (211264595).
1054061605 is an equidigital number, since it uses as much as digits as its factorization.
1054061605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75383.
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 1054061605 is about 32466.3149279372. The cubic root of 1054061605 is about 1017.7052104781.
The spelling of 1054061605 in words is "one billion, fifty-four million, sixty-one thousand, six hundred five".
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