Base | Representation |
---|---|
bin | 10010100000001… |
… | …011101001100101 |
3 | 210122010021201011 |
4 | 102200023221211 |
5 | 1113432114323 |
6 | 50445302221 |
7 | 10456402456 |
oct | 2240135145 |
9 | 718107634 |
10 | 310426213 |
11 | 14a255899 |
12 | 87b64971 |
13 | 4c40b666 |
14 | 2d32912d |
15 | 1c3bd20d |
hex | 1280ba65 |
310426213 has 2 divisors, whose sum is σ = 310426214. Its totient is φ = 310426212.
The previous prime is 310426187. The next prime is 310426231. The reversal of 310426213 is 312624013.
Together with next prime (310426231) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 277455649 + 32970564 = 16657^2 + 5742^2 .
It is a cyclic number.
It is not a de Polignac number, because 310426213 - 29 = 310425701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (310426243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155213106 + 155213107.
It is an arithmetic number, because the mean of its divisors is an integer number (155213107).
Almost surely, 2310426213 is an apocalyptic number.
It is an amenable number.
310426213 is a deficient number, since it is larger than the sum of its proper divisors (1).
310426213 is an equidigital number, since it uses as much as digits as its factorization.
310426213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 310426213 is about 17618.9163401158. The cubic root of 310426213 is about 677.0999716365.
The spelling of 310426213 in words is "three hundred ten million, four hundred twenty-six thousand, two hundred thirteen".
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