Base | Representation |
---|---|
bin | 10010101010110… |
… | …101111110010110 |
3 | 210211101021110022 |
4 | 102222311332112 |
5 | 1120141033024 |
6 | 51025225142 |
7 | 10522222541 |
oct | 2252657626 |
9 | 724337408 |
10 | 313221014 |
11 | 150894647 |
12 | 88a921b2 |
13 | 4cb797a2 |
14 | 2d855858 |
15 | 1c77135e |
hex | 12ab5f96 |
313221014 has 4 divisors (see below), whose sum is σ = 469831524. Its totient is φ = 156610506.
The previous prime is 313221011. The next prime is 313221067. The reversal of 313221014 is 410122313.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410122313 = 113 ⋅3629401.
It is a super-2 number, since 2×3132210142 = 196214807222376392, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 313220983 and 313221001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313221011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78305252 + ... + 78305255.
It is an arithmetic number, because the mean of its divisors is an integer number (117457881).
Almost surely, 2313221014 is an apocalyptic number.
313221014 is a deficient number, since it is larger than the sum of its proper divisors (156610510).
313221014 is a wasteful number, since it uses less digits than its factorization.
313221014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156610509.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 313221014 is about 17698.0511356477. The cubic root of 313221014 is about 679.1259054380.
Adding to 313221014 its reverse (410122313), we get a palindrome (723343327).
The spelling of 313221014 in words is "three hundred thirteen million, two hundred twenty-one thousand, fourteen".
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