Base | Representation |
---|---|
bin | 110001000110… |
… | …010010000110 |
3 | 220012220101221 |
4 | 301012102012 |
5 | 11243331130 |
6 | 1135510554 |
7 | 214254112 |
oct | 61062206 |
9 | 26186357 |
10 | 12870790 |
11 | 72a1019 |
12 | 438845a |
13 | 288846a |
14 | 19d0742 |
15 | 11e387a |
hex | c46486 |
12870790 has 16 divisors (see below), whose sum is σ = 24387120. Its totient is φ = 4877280.
The previous prime is 12870779. The next prime is 12870799. The reversal of 12870790 is 9707821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12870799) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33681 + ... + 34060.
It is an arithmetic number, because the mean of its divisors is an integer number (1524195).
Almost surely, 212870790 is an apocalyptic number.
12870790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12870790 is a deficient number, since it is larger than the sum of its proper divisors (11516330).
12870790 is a wasteful number, since it uses less digits than its factorization.
12870790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67767.
The product of its (nonzero) digits is 7056, while the sum is 34.
The square root of 12870790 is about 3587.5883264388. The cubic root of 12870790 is about 234.3518582188.
The spelling of 12870790 in words is "twelve million, eight hundred seventy thousand, seven hundred ninety".
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