Base | Representation |
---|---|
bin | 111110010011010… |
… | …100100011010001 |
3 | 2200211211022121100 |
4 | 332103110203101 |
5 | 4120041033210 |
6 | 251415215013 |
7 | 34621332546 |
oct | 7623244321 |
9 | 2624738540 |
10 | 1045252305 |
11 | 497021589 |
12 | 252077469 |
13 | 1387225b6 |
14 | 9cb6abcd |
15 | 61b6e5c0 |
hex | 3e4d48d1 |
1045252305 has 24 divisors (see below), whose sum is σ = 1816657128. Its totient is φ = 555964416.
The previous prime is 1045252303. The next prime is 1045252321. The reversal of 1045252305 is 5032525401.
It is a happy number.
1045252305 is a `hidden beast` number, since 104 + 5 + 252 + 305 = 666.
1045252305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 74805201 + 970447104 = 8649^2 + 31152^2 .
It is not a de Polignac number, because 1045252305 - 21 = 1045252303 is a prime.
It is a super-2 number, since 2×10452523052 = 2185104762215626050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1045252303) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14352 + ... + 47921.
It is an arithmetic number, because the mean of its divisors is an integer number (75694047).
Almost surely, 21045252305 is an apocalyptic number.
1045252305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1045252305 is a deficient number, since it is larger than the sum of its proper divisors (771404823).
1045252305 is a wasteful number, since it uses less digits than its factorization.
1045252305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62657 (or 62654 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 1045252305 is about 32330.3619682799. The cubic root of 1045252305 is about 1014.8621246551.
Adding to 1045252305 its reverse (5032525401), we get a palindrome (6077777706).
The spelling of 1045252305 in words is "one billion, forty-five million, two hundred fifty-two thousand, three hundred five".
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