Base | Representation |
---|---|
bin | 11101110111110001100110 |
3 | 112201211121100 |
4 | 131313301212 |
5 | 4001040010 |
6 | 435500530 |
7 | 123362553 |
oct | 35676146 |
9 | 15654540 |
10 | 7830630 |
11 | 44692a5 |
12 | 2757746 |
13 | 1812312 |
14 | 107ba2a |
15 | a4a2c0 |
hex | 777c66 |
7830630 has 48 divisors (see below), whose sum is σ = 20520864. Its totient is φ = 2071680.
The previous prime is 7830619. The next prime is 7830653. The reversal of 7830630 is 360387.
It is a happy number.
It is a super-2 number, since 2×78306302 = 122637532393800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7830594 and 7830603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14770 + ... + 15290.
It is an arithmetic number, because the mean of its divisors is an integer number (427518).
Almost surely, 27830630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7830630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10260432).
7830630 is an abundant number, since it is smaller than the sum of its proper divisors (12690234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7830630 is a wasteful number, since it uses less digits than its factorization.
7830630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 701 (or 698 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 7830630 is about 2798.3262854785. The cubic root of 7830630 is about 198.5785040154.
The spelling of 7830630 in words is "seven million, eight hundred thirty thousand, six hundred thirty".
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