Base | Representation |
---|---|
bin | 10011001110011110000 |
3 | 1012000012100 |
4 | 2121303300 |
5 | 130130000 |
6 | 21300400 |
7 | 5232510 |
oct | 2316360 |
9 | 1160170 |
10 | 630000 |
11 | 3a0368 |
12 | 264700 |
13 | 1909a7 |
14 | 125840 |
15 | c6a00 |
hex | 99cf0 |
630000 has 150 divisors (see below), whose sum is σ = 2517944. Its totient is φ = 144000.
The previous prime is 629989. The next prime is 630017. The reversal of 630000 is 36.
630000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (150).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630000.
It is an unprimeable number.
630000 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 29 ways as a sum of consecutive naturals, for example, 89997 + ... + 90003.
2630000 is an apocalyptic number.
630000 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 630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258972).
630000 is an abundant number, since it is smaller than the sum of its proper divisors (1887944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630000 is a wasteful number, since it uses less digits than its factorization.
630000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41 (or 17 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
The square root of 630000 is about 793.7253933194. The cubic root of 630000 is about 85.7261888231.
Adding to 630000 its reverse (36), we get a palindrome (630036).
The spelling of 630000 in words is "six hundred thirty thousand".
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