Base | Representation |
---|---|
bin | 10010110011010… |
… | …110110000000011 |
3 | 210222120122100221 |
4 | 102303112300003 |
5 | 1121223434134 |
6 | 51145123511 |
7 | 10550205232 |
oct | 2263266003 |
9 | 728518327 |
10 | 315452419 |
11 | 152079087 |
12 | 89789597 |
13 | 5047b349 |
14 | 2dc76b19 |
15 | 1ca625b4 |
hex | 12cd6c03 |
315452419 has 2 divisors, whose sum is σ = 315452420. Its totient is φ = 315452418.
The previous prime is 315452399. The next prime is 315452453. The reversal of 315452419 is 914254513.
It is an a-pointer prime, because the next prime (315452453) can be obtained adding 315452419 to its sum of digits (34).
It is a weak prime.
It is an emirp because it is prime and its reverse (914254513) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 315452419 - 25 = 315452387 is a prime.
It is a super-2 number, since 2×3154524192 = 199020457305903122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (315452719) 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 as a sum of consecutive naturals, namely, 157726209 + 157726210.
It is an arithmetic number, because the mean of its divisors is an integer number (157726210).
Almost surely, 2315452419 is an apocalyptic number.
315452419 is a deficient number, since it is larger than the sum of its proper divisors (1).
315452419 is an equidigital number, since it uses as much as digits as its factorization.
315452419 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 21600, while the sum is 34.
The square root of 315452419 is about 17760.9802375882. The cubic root of 315452419 is about 680.7348018587.
The spelling of 315452419 in words is "three hundred fifteen million, four hundred fifty-two thousand, four hundred nineteen".
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