Base | Representation |
---|---|
bin | 100010101000… |
… | …100010010010 |
3 | 122002020221200 |
4 | 202220202102 |
5 | 4311011210 |
6 | 522332030 |
7 | 140112120 |
oct | 42504222 |
9 | 18066850 |
10 | 9078930 |
11 | 5141153 |
12 | 305a016 |
13 | 1b5b563 |
14 | 12c4910 |
15 | be50c0 |
hex | 8a8892 |
9078930 has 48 divisors (see below), whose sum is σ = 26979264. Its totient is φ = 2075040.
The previous prime is 9078929. The next prime is 9078931. The reversal of 9078930 is 398709.
It is an interprime number because it is at equal distance from previous prime (9078929) and next prime (9078931).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9078931) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6576 + ... + 7835.
It is an arithmetic number, because the mean of its divisors is an integer number (562068).
Almost surely, 29078930 is an apocalyptic number.
9078930 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
9078930 is an abundant number, since it is smaller than the sum of its proper divisors (17900334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9078930 is a wasteful number, since it uses less digits than its factorization.
9078930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14431 (or 14428 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 9078930 is about 3013.1262834471. The cubic root of 9078930 is about 208.6146911392.
The spelling of 9078930 in words is "nine million, seventy-eight thousand, nine hundred thirty".
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