| Base | Representation |
|---|---|
| bin | 100101100011010… |
| … | …100000100001100 |
| 3 | 1121220111001001000 |
| 4 | 211203110010030 |
| 5 | 2242240423340 |
| 6 | 142303220300 |
| 7 | 21420014103 |
| oct | 4543240414 |
| 9 | 1556431030 |
| 10 | 630014220 |
| 11 | 2a3699010 |
| 12 | 156ba7690 |
| 13 | a06a71a4 |
| 14 | 5d95b03a |
| 15 | 3a49ad30 |
| hex | 258d410c |
630014220 has 288 divisors, whose sum is σ = 2277596160. Its totient is φ = 143354880.
The previous prime is 630014191. The next prime is 630014221. The reversal of 630014220 is 22410036.
It is a happy number.
630014220 is a `hidden beast` number, since 630 + 0 + 14 + 2 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 630014193 and 630014202.
It is not an unprimeable number, because it can be changed into a prime (630014221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1716477 + ... + 1716843.
It is an arithmetic number, because the mean of its divisors is an integer number (7908320).
Almost surely, 2630014220 is an apocalyptic number.
630014220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 630014220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138798080).
630014220 is an abundant number, since it is smaller than the sum of its proper divisors (1647581940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630014220 is a wasteful number, since it uses less digits than its factorization.
630014220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430 (or 405 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 630014220 is about 25100.0840636042. The cubic root of 630014220 is about 857.2683380580.
Adding to 630014220 its reverse (22410036), we get a palindrome (652424256).
The spelling of 630014220 in words is "six hundred thirty million, fourteen thousand, two hundred twenty".
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