Base | Representation |
---|---|
bin | 111110110000010… |
… | …100110111111101 |
3 | 2201101010121122110 |
4 | 332300110313331 |
5 | 4124012341210 |
6 | 252250204233 |
7 | 35043061311 |
oct | 7660246775 |
9 | 2641117573 |
10 | 1052855805 |
11 | 4a0345171 |
12 | 254723679 |
13 | 13a185401 |
14 | 9db89b41 |
15 | 62672420 |
hex | 3ec14dfd |
1052855805 has 32 divisors (see below), whose sum is σ = 1719871488. Its totient is φ = 549864000.
The previous prime is 1052855779. The next prime is 1052855809. The reversal of 1052855805 is 5085582501.
It is not a de Polignac number, because 1052855805 - 25 = 1052855773 is a prime.
It is a super-2 number, since 2×10528558052 = 2217010692244396050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1052855809) 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 31 ways as a sum of consecutive naturals, for example, 157542 + ... + 164088.
It is an arithmetic number, because the mean of its divisors is an integer number (53745984).
Almost surely, 21052855805 is an apocalyptic number.
1052855805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1052855805 is a deficient number, since it is larger than the sum of its proper divisors (667015683).
1052855805 is a wasteful number, since it uses less digits than its factorization.
1052855805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6777.
The product of its (nonzero) digits is 80000, while the sum is 39.
The square root of 1052855805 is about 32447.7395976977. The cubic root of 1052855805 is about 1017.3169924431.
The spelling of 1052855805 in words is "one billion, fifty-two million, eight hundred fifty-five thousand, eight hundred five".
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