Base | Representation |
---|---|
bin | 100101100100001… |
… | …100101100101101 |
3 | 1121220220211020110 |
4 | 211210030230231 |
5 | 2242320334224 |
6 | 142312210233 |
7 | 21422001306 |
oct | 4544145455 |
9 | 1556824213 |
10 | 630246189 |
11 | 2a3837321 |
12 | 157099979 |
13 | a0758951 |
14 | 5d9bb7ad |
15 | 3a4e4929 |
hex | 2590cb2d |
630246189 has 16 divisors (see below), whose sum is σ = 846676800. Its totient is φ = 417002880.
The previous prime is 630246179. The next prime is 630246217. The reversal of 630246189 is 981642036.
It is not a de Polignac number, because 630246189 - 24 = 630246173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630246119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232162 + ... + 234860.
It is an arithmetic number, because the mean of its divisors is an integer number (52917300).
Almost surely, 2630246189 is an apocalyptic number.
It is an amenable number.
630246189 is a deficient number, since it is larger than the sum of its proper divisors (216430611).
630246189 is a wasteful number, since it uses less digits than its factorization.
630246189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3260.
The product of its (nonzero) digits is 62208, while the sum is 39.
The square root of 630246189 is about 25104.7045192729. The cubic root of 630246189 is about 857.3735395340.
The spelling of 630246189 in words is "six hundred thirty million, two hundred forty-six thousand, one hundred eighty-nine".
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