Base | Representation |
---|---|
bin | 10010101010011… |
… | …000011111010100 |
3 | 210211011010210100 |
4 | 102222120133110 |
5 | 1120123201434 |
6 | 51022454100 |
7 | 10521210462 |
oct | 2252303724 |
9 | 724133710 |
10 | 313100244 |
11 | 150811936 |
12 | 88a34330 |
13 | 4cb36822 |
14 | 2d823832 |
15 | 1c74a699 |
hex | 12a987d4 |
313100244 has 36 divisors (see below), whose sum is σ = 796038516. Its totient is φ = 103761408.
The previous prime is 313100213. The next prime is 313100267. The reversal of 313100244 is 442001313.
It can be written as a sum of positive squares in 2 ways, for example, as 245235600 + 67864644 = 15660^2 + 8238^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18909 + ... + 31364.
It is an arithmetic number, because the mean of its divisors is an integer number (22112181).
Almost surely, 2313100244 is an apocalyptic number.
It is an amenable number.
313100244 is an abundant number, since it is smaller than the sum of its proper divisors (482938272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313100244 is a wasteful number, since it uses less digits than its factorization.
313100244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50456 (or 50451 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 313100244 is about 17694.6388490978. The cubic root of 313100244 is about 679.0386096995.
Adding to 313100244 its reverse (442001313), we get a palindrome (755101557).
The spelling of 313100244 in words is "three hundred thirteen million, one hundred thousand, two hundred forty-four".
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