| Base | Representation |
|---|---|
| bin | 100101100101011… |
| … | …010100101011100 |
| 3 | 1121221112000212010 |
| 4 | 211211122211130 |
| 5 | 2242411041322 |
| 6 | 142323111220 |
| 7 | 21424500354 |
| oct | 4545324534 |
| 9 | 1557460763 |
| 10 | 630565212 |
| 11 | 2a3a34a82 |
| 12 | 157212510 |
| 13 | a083ac14 |
| 14 | 5da61b64 |
| 15 | 3a55920c |
| hex | 2595a95c |
630565212 has 48 divisors (see below), whose sum is σ = 1528329600. Its totient is φ = 202104000.
The previous prime is 630565163. The next prime is 630565213. The reversal of 630565212 is 212565036.
630565212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×6305652122 = 795224973169209888, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 630565212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630565213) 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, 83739 + ... + 90957.
It is an arithmetic number, because the mean of its divisors is an integer number (31840200).
Almost surely, 2630565212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 630565212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764164800).
630565212 is an abundant number, since it is smaller than the sum of its proper divisors (897764388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630565212 is a wasteful number, since it uses less digits than its factorization.
630565212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7506 (or 7504 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 630565212 is about 25111.0575643480. The cubic root of 630565212 is about 857.5181791713.
It can be divided in two parts, 6305 and 65212, that added together give a palindrome (71517).
The spelling of 630565212 in words is "six hundred thirty million, five hundred sixty-five thousand, two hundred twelve".
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