Base | Representation |
---|---|
bin | 110000000010… |
… | …000001111110 |
3 | 212200200220212 |
4 | 300002001332 |
5 | 11210404410 |
6 | 1125512422 |
7 | 212011061 |
oct | 60020176 |
9 | 25620825 |
10 | 12591230 |
11 | 711aa83 |
12 | 4272712 |
13 | 27bb142 |
14 | 195a8d8 |
15 | 118ab05 |
hex | c0207e |
12591230 has 8 divisors (see below), whose sum is σ = 22664232. Its totient is φ = 5036488.
The previous prime is 12591209. The next prime is 12591233. The reversal of 12591230 is 3219521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12591196 and 12591205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12591233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629552 + ... + 629571.
It is an arithmetic number, because the mean of its divisors is an integer number (2833029).
Almost surely, 212591230 is an apocalyptic number.
12591230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12591230 is a deficient number, since it is larger than the sum of its proper divisors (10073002).
12591230 is a wasteful number, since it uses less digits than its factorization.
12591230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1259130.
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 12591230 is about 3548.4123210247. The cubic root of 12591230 is about 232.6426765229.
It can be divided in two parts, 12591 and 230, that added together give a palindrome (12821).
The spelling of 12591230 in words is "twelve million, five hundred ninety-one thousand, two hundred thirty".
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