Base | Representation |
---|---|
bin | 110010011000… |
… | …010000001110 |
3 | 220211221222012 |
4 | 302120100032 |
5 | 11340102132 |
6 | 1151021222 |
7 | 220153016 |
oct | 62302016 |
9 | 26757865 |
10 | 13206542 |
11 | 75002a8 |
12 | 450a812 |
13 | 297522b |
14 | 1a7ac46 |
15 | 125d0b2 |
hex | c9840e |
13206542 has 8 divisors (see below), whose sum is σ = 20493000. Its totient is φ = 6375544.
The previous prime is 13206541. The next prime is 13206553. The reversal of 13206542 is 24560231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13206541) 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, 113792 + ... + 113907.
It is an arithmetic number, because the mean of its divisors is an integer number (2561625).
Almost surely, 213206542 is an apocalyptic number.
13206542 is a deficient number, since it is larger than the sum of its proper divisors (7286458).
13206542 is a wasteful number, since it uses less digits than its factorization.
13206542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227730.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 13206542 is about 3634.0806265134. The cubic root of 13206542 is about 236.3721863592.
Adding to 13206542 its reverse (24560231), we get a palindrome (37766773).
The spelling of 13206542 in words is "thirteen million, two hundred six thousand, five hundred forty-two".
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