Base | Representation |
---|---|
bin | 10011001110111101100 |
3 | 1012000112200 |
4 | 2121313230 |
5 | 130132002 |
6 | 21301500 |
7 | 5233320 |
oct | 2316754 |
9 | 1160480 |
10 | 630252 |
11 | 3a0577 |
12 | 264890 |
13 | 190b3c |
14 | 125980 |
15 | c6b1c |
hex | 99dec |
630252 has 72 divisors (see below), whose sum is σ = 1895712. Its totient is φ = 172800.
The previous prime is 630247. The next prime is 630263. The reversal of 630252 is 252036.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
630252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10302 + ... + 10362.
2630252 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 630252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947856).
630252 is an abundant number, since it is smaller than the sum of its proper divisors (1265460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630252 is a wasteful number, since it uses less digits than its factorization.
630252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119 (or 114 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 630252 is about 793.8841225267. The cubic root of 630252 is about 85.7376174580.
Adding to 630252 its reverse (252036), we get a palindrome (882288).
The spelling of 630252 in words is "six hundred thirty thousand, two hundred fifty-two".
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