Base | Representation |
---|---|
bin | 10010101010000… |
… | …001000110000100 |
3 | 210210222021100022 |
4 | 102222001012010 |
5 | 1120112120140 |
6 | 51020434312 |
7 | 10520331221 |
oct | 2252010604 |
9 | 723867308 |
10 | 313004420 |
11 | 150756943 |
12 | 889a8998 |
13 | 4cb02021 |
14 | 2d7da948 |
15 | 1c72c0b5 |
hex | 12a81184 |
313004420 has 24 divisors (see below), whose sum is σ = 668087448. Its totient is φ = 123148800.
The previous prime is 313004413. The next prime is 313004429. The reversal of 313004420 is 24400313.
It can be written as a sum of positive squares in 4 ways, for example, as 19430464 + 293573956 = 4408^2 + 17134^2 .
It is not an unprimeable number, because it can be changed into a prime (313004429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127061 + ... + 129500.
It is an arithmetic number, because the mean of its divisors is an integer number (27836977).
Almost surely, 2313004420 is an apocalyptic number.
It is an amenable number.
313004420 is an abundant number, since it is smaller than the sum of its proper divisors (355083028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313004420 is a wasteful number, since it uses less digits than its factorization.
313004420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256631 (or 256629 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 313004420 is about 17691.9309290987. The cubic root of 313004420 is about 678.9693296141.
Adding to 313004420 its reverse (24400313), we get a palindrome (337404733).
The spelling of 313004420 in words is "three hundred thirteen million, four thousand, four hundred twenty".
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