Base | Representation |
---|---|
bin | 100101100011011… |
… | …011101000111101 |
3 | 1121220112121121002 |
4 | 211203123220331 |
5 | 2242242421440 |
6 | 142304020045 |
7 | 21420203414 |
oct | 4543335075 |
9 | 1556477532 |
10 | 630045245 |
11 | 2a370a355 |
12 | 157001625 |
13 | a06b834b |
14 | 5d96847b |
15 | 3a4a5115 |
hex | 258dba3d |
630045245 has 32 divisors (see below), whose sum is σ = 823882752. Its totient is φ = 460680192.
The previous prime is 630045137. The next prime is 630045389. The reversal of 630045245 is 542540036.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-630045245 is a prime.
It is a super-2 number, since 2×6300452452 = 793914021494220050, which contains 22 as substring.
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 31 ways as a sum of consecutive naturals, for example, 814679 + ... + 815451.
It is an arithmetic number, because the mean of its divisors is an integer number (25746336).
Almost surely, 2630045245 is an apocalyptic number.
It is an amenable number.
630045245 is a deficient number, since it is larger than the sum of its proper divisors (193837507).
630045245 is a wasteful number, since it uses less digits than its factorization.
630045245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1061.
The product of its (nonzero) digits is 14400, while the sum is 29.
The square root of 630045245 is about 25100.7020818144. The cubic root of 630045245 is about 857.2824098640.
The spelling of 630045245 in words is "six hundred thirty million, forty-five thousand, two hundred forty-five".
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