Base | Representation |
---|---|
bin | 110101001111… |
… | …010010010101 |
3 | 222021001100222 |
4 | 311033102111 |
5 | 12033044440 |
6 | 1215044125 |
7 | 226424522 |
oct | 65172225 |
9 | 28231328 |
10 | 13956245 |
11 | 7972596 |
12 | 4810645 |
13 | 2b78544 |
14 | 1bd4149 |
15 | 135a2b5 |
hex | d4f495 |
13956245 has 8 divisors (see below), whose sum is σ = 16772184. Its totient is φ = 11148544.
The previous prime is 13956233. The next prime is 13956247. The reversal of 13956245 is 54265931.
It can be written as a sum of positive squares in 4 ways, for example, as 6848689 + 7107556 = 2617^2 + 2666^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13956245 - 212 = 13952149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13956247) by changing a digit.
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, 2657 + ... + 5913.
It is an arithmetic number, because the mean of its divisors is an integer number (2096523).
Almost surely, 213956245 is an apocalyptic number.
It is an amenable number.
13956245 is a deficient number, since it is larger than the sum of its proper divisors (2815939).
13956245 is an equidigital number, since it uses as much as digits as its factorization.
13956245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4119.
The product of its digits is 32400, while the sum is 35.
The square root of 13956245 is about 3735.8058033040. The cubic root of 13956245 is about 240.7628792074.
The spelling of 13956245 in words is "thirteen million, nine hundred fifty-six thousand, two hundred forty-five".
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