Base | Representation |
---|---|
bin | 11011001100110001100000 |
3 | 111102020210210 |
4 | 123030301200 |
5 | 3311131313 |
6 | 412454120 |
7 | 114414531 |
oct | 33146140 |
9 | 14366723 |
10 | 7130208 |
11 | 4030038 |
12 | 247a340 |
13 | 1628577 |
14 | d38688 |
15 | 95c9c3 |
hex | 6ccc60 |
7130208 has 72 divisors (see below), whose sum is σ = 19959912. Its totient is φ = 2228224.
The previous prime is 7130197. The next prime is 7130213. The reversal of 7130208 is 8020317.
It is a super-2 number, since 2×71302082 = 101679732246528, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27616 + ... + 27872.
It is an arithmetic number, because the mean of its divisors is an integer number (277221).
Almost surely, 27130208 is an apocalyptic number.
7130208 is the 1542-nd octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7130208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9979956).
7130208 is an abundant number, since it is smaller than the sum of its proper divisors (12829704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7130208 is a wasteful number, since it uses less digits than its factorization.
7130208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304 (or 279 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 7130208 is about 2670.2449325858. The cubic root of 7130208 is about 192.4719293414.
The spelling of 7130208 in words is "seven million, one hundred thirty thousand, two hundred eight".
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