Base | Representation |
---|---|
bin | 110011101010… |
… | …001101100101 |
3 | 221111000110122 |
4 | 303222031211 |
5 | 11431322440 |
6 | 1202131325 |
7 | 223051523 |
oct | 63521545 |
9 | 27430418 |
10 | 13542245 |
11 | 770a542 |
12 | 4650b45 |
13 | 2a61c82 |
14 | 1b27313 |
15 | 12c77b5 |
hex | cea365 |
13542245 has 8 divisors (see below), whose sum is σ = 16342560. Its totient is φ = 10772560.
The previous prime is 13542229. The next prime is 13542293. The reversal of 13542245 is 54224531.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13542245 - 24 = 13542229 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 6671 + ... + 8460.
It is an arithmetic number, because the mean of its divisors is an integer number (2042820).
Almost surely, 213542245 is an apocalyptic number.
It is an amenable number.
13542245 is a deficient number, since it is larger than the sum of its proper divisors (2800315).
13542245 is a wasteful number, since it uses less digits than its factorization.
13542245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15315.
The product of its digits is 4800, while the sum is 26.
The square root of 13542245 is about 3679.9789401571. The cubic root of 13542245 is about 238.3582686459.
Adding to 13542245 its reverse (54224531), we get a palindrome (67766776).
It can be divided in two parts, 135 and 42245, that multiplied together give a palindrome (5703075).
The spelling of 13542245 in words is "thirteen million, five hundred forty-two thousand, two hundred forty-five".
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