Base | Representation |
---|---|
bin | 10010101101001… |
… | …100001001001101 |
3 | 210212112112012121 |
4 | 102231030021031 |
5 | 1120320223414 |
6 | 51050332541 |
7 | 10530364036 |
oct | 2255141115 |
9 | 725475177 |
10 | 313836109 |
11 | 151174794 |
12 | 8912a151 |
13 | 50033752 |
14 | 2d975a8d |
15 | 1c843724 |
hex | 12b4c24d |
313836109 has 8 divisors (see below), whose sum is σ = 323429400. Its totient is φ = 304301376.
The previous prime is 313836101. The next prime is 313836119. The reversal of 313836109 is 901638313.
It can be written as a sum of positive squares in 4 ways, for example, as 282139209 + 31696900 = 16797^2 + 5630^2 .
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 313836109 - 23 = 313836101 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 (313836101) 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, 3634 + ... + 25315.
It is an arithmetic number, because the mean of its divisors is an integer number (40428675).
Almost surely, 2313836109 is an apocalyptic number.
It is an amenable number.
313836109 is a deficient number, since it is larger than the sum of its proper divisors (9593291).
313836109 is a wasteful number, since it uses less digits than its factorization.
313836109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29279.
The product of its (nonzero) digits is 11664, while the sum is 34.
The square root of 313836109 is about 17715.4200909829. The cubic root of 313836109 is about 679.5701644838.
The spelling of 313836109 in words is "three hundred thirteen million, eight hundred thirty-six thousand, one hundred nine".
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