Base | Representation |
---|---|
bin | 100101100100010… |
… | …100111111100011 |
3 | 1121220222112211202 |
4 | 211210110333203 |
5 | 2242322431123 |
6 | 142313031415 |
7 | 21422202332 |
oct | 4544247743 |
9 | 1556875752 |
10 | 630280163 |
11 | 2a385a8a7 |
12 | 1570b556b |
13 | a076b256 |
14 | 5d9c9d19 |
15 | 3a4eea28 |
hex | 25914fe3 |
630280163 has 8 divisors (see below), whose sum is σ = 650575200. Its totient is φ = 610156800.
The previous prime is 630280153. The next prime is 630280207. The reversal of 630280163 is 361082036.
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 630280163 - 26 = 630280099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (630280153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35438 + ... + 50163.
It is an arithmetic number, because the mean of its divisors is an integer number (81321900).
Almost surely, 2630280163 is an apocalyptic number.
630280163 is a deficient number, since it is larger than the sum of its proper divisors (20295037).
630280163 is a wasteful number, since it uses less digits than its factorization.
630280163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85837.
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 630280163 is about 25105.3811562382. The cubic root of 630280163 is about 857.3889450934.
The spelling of 630280163 in words is "six hundred thirty million, two hundred eighty thousand, one hundred sixty-three".
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