Base | Representation |
---|---|
bin | 11011001100110010011110 |
3 | 111102020220002 |
4 | 123030302132 |
5 | 3311132040 |
6 | 412454302 |
7 | 114414650 |
oct | 33146236 |
9 | 14366802 |
10 | 7130270 |
11 | 4030094 |
12 | 247a392 |
13 | 16285c4 |
14 | d386d0 |
15 | 95ca15 |
hex | 6ccc9e |
7130270 has 32 divisors (see below), whose sum is σ = 15069888. Its totient is φ = 2377728.
The previous prime is 7130267. The next prime is 7130329. The reversal of 7130270 is 720317.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214 + ... + 3966.
It is an arithmetic number, because the mean of its divisors is an integer number (470934).
Almost surely, 27130270 is an apocalyptic number.
7130270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
7130270 is an abundant number, since it is smaller than the sum of its proper divisors (7939618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7130270 is a wasteful number, since it uses less digits than its factorization.
7130270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2804.
The product of its (nonzero) digits is 294, while the sum is 20.
The square root of 7130270 is about 2670.2565419824. The cubic root of 7130270 is about 192.4724872132.
Adding to 7130270 its reverse (720317), we get a palindrome (7850587).
The spelling of 7130270 in words is "seven million, one hundred thirty thousand, two hundred seventy".
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